Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
We’ve reached the end of Peter Lynch’s Beating the Street. Twenty-six posts later. And the honest answer to “is this book worth reading?” is a clear yes. But maybe not for the reasons you’d expect.
So that’s Shortfall. A book about a family scandal that turned into something much bigger.
Let me give you my honest take.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
At the end of Beating the Street, Lynch gives us his final list. Twenty-five rules distilled from two decades of investing. He calls it his “St. Agnes good-bye chorus.” Some of these rules echo what he’s said throughout the book. Others feel like hard-won confessions.
The epilogue of Shortfall is short. Just a few pages. But it might be the most honest part of the whole book.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Buy-and-forget investing sounds great in theory. In practice, it can be dangerous. Lynch points to IBM, Sears, and Eastman Kodak as proof. All three were blue-chip giants. Investors who bought and forgot are sorry they did.
So this is the last post. Eight posts later, we have walked through the entire first half of Artificial Intelligence in Finance by Yves Hilpisch. AI fundamentals, neural networks, superintelligence, financial theory. A lot of ground.
Walter Davis killed himself in a New York police station. And somehow, that still wasn’t the end of the story for the people he hurt.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
If you invested $10,000 in five restaurant stocks in the 1960s, splitting the money evenly between Kentucky Fried Chicken, Dunkin’ Donuts, Howard Johnson, Bob Evans Farms, and McDonald’s, you would have become a millionaire at least two times over by the end of the 1980s. Put it all in McDonald’s and you’d be a millionaire four times over.
The second half of Chapter 5 in Artificial Intelligence in Finance covers three theories that shaped how Wall Street thinks about investing. Mean-Variance Portfolio theory, the Capital Asset Pricing Model, and Arbitrage Pricing Theory. These ideas have been in every finance course since the 1960s. Hilpisch walks through them with actual Python code instead of just abstract math.
Everyone back in Colorado Springs imagined Walter Davis living it up on some tropical island with a woman on his arm and a drink in his hand. The newspapers speculated he was in the South Seas. Or Greece, like the fugitive energy mogul Samuel Insull. Surely the “master criminal” was enjoying his stolen fortune somewhere exotic.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Peter Lynch ran the most famous mutual fund in America. And for years he completely forgot to invest in the companies that sell mutual funds.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Lynch recommended Fannie Mae to the Barron’s panel every single year from 1986 to 1992. It got boring, he admits. But it kept working. There’s a snapshot of Fannie Mae headquarters alongside his family photos on his office shelf. That’s how much the stock meant to him.
Walter Davis was shrewd. Echols makes that clear from the start of this chapter. He set up a holding company called Fleming and Company, named after his handyman, to shuffle foreclosed properties around and keep bad debts off his books. He acquired thirty houses and commercial buildings in the Springs, fifteen houses and an apartment building in Pueblo, and more in Denver. All built on other people’s misery through foreclosures.
Chapter 5 of Hilpisch’s book is called “Normative Finance.” And it opens with a quote from Fama and French admitting that the CAPM is built on “many unrealistic assumptions.” That’s a bold way to kick things off. Basically saying: here are the theories that shaped modern finance, and by the way, they don’t quite match reality.
Chapter 4 of Shortfall is where everything falls apart. Not just for Walter Davis, but for every building and loan in Colorado Springs. And honestly, for the whole country.
So far in this chapter, Hilpisch covered AI success stories. AlphaGo, Atari games, chess engines. All impressive stuff. But now the book takes a sharp turn into much bigger questions. What happens when AI stops being narrow and starts being… everything?
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
When a government has a garage sale, Peter Lynch tries to attend. He doesn’t care if it’s Uncle Sam or the Queen of England. History shows that whenever the government sells something to the public, the buyers usually do well.
Chapter 4 of Artificial Intelligence in Finance opens with something fun: stories about AI beating humans at games. And honestly, these stories are some of the most fascinating parts of AI history. Games sound trivial, but they’re actually perfect testing grounds for intelligence. If a machine can figure out a game on its own, what else can it figure out?
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Utility stocks were the great growth stocks of the 1950s. By the time Lynch wrote this book, they’d become income plays. You bought them for the dividend, not the excitement. But Lynch made his best utility gains not from the steady ones. He made them from the troubled ones.
The 1920s were weird. People went from keeping their savings under the mattress to buying Liberty Bonds to throwing money at building and loan associations promising 7 percent interest. It happened fast. And if you lived in Colorado Springs, the whole town was riding this wave of easy money and big promises.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Cyclical stocks are the ones that rise and fall with the economy. Aluminum, steel, paper, autos, chemicals, airlines. When business is booming, these companies print money. When the economy tanks, they get crushed. Back and forth, reliable as the seasons.
This section of Chapter 3 is where things start to click. Hilpisch moves from talking about AI algorithms in general to showing how neural networks actually work. And then he drops a truth bomb that a lot of people skip over: your model is only as good as your data.
Six years into Colorado Springs, Walter Davis quit being a stenographer and became a moneylender. By 1912 he was calling himself “The Loan Man” in the city directory. He still listed himself as an attorney, too. He was not an attorney.
Walter Clyde Davis showed up in Colorado Springs in 1905. He was twenty-four. He carried business cards calling himself a lawyer from Greensburg, Indiana. He also had two letters of recommendation from judges. But those letters recommended him as a stenographer. Not a lawyer.
Chapter 3 of Artificial Intelligence in Finance opens with the quote about AlphaGo beating a human Go player. That event was a big deal back in 2016. People thought it would take at least another decade. It didn’t. And that sets the tone for this chapter. AI moves faster than experts predict.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
The phrase “limited partnership” makes most investors flinch. And honestly, they have good reason. Thousands of people got burned by tax-shelter schemes in the 1980s. Oil partnerships. Real estate partnerships. Movie partnerships. Even gravesite partnerships. The losses were worse than the taxes they were trying to avoid.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Peter Lynch says a casual stockpicker could just grab five S&Ls that fit the Jimmy Stewart profile, invest equal amounts, and do well. One would outperform, three would do OK, one would lag, and the total result would beat owning overpriced blue chips like Coca-Cola or Merck.
George Bailey gives away his honeymoon money to save his neighbors. Walter Davis skipped town before anyone found out the money was gone.
Chapter 2 of Artificial Intelligence in Finance is technically labeled a “Preface,” but it does a lot more than set the stage. Hilpisch opens with a quote from Robert Shiller asking whether financial markets will ever become truly perfect, with every asset priced correctly. It is a big question. And honestly, the way the chapter frames AI in finance around that question is what makes it interesting.
Book: Artificial Intelligence in Finance Author: Yves Hilpisch Publisher: O’Reilly, 2020 ISBN: 978-1-492-05543-3
Here’s a question that bugs me. Can AI actually beat the stock market? Not in a sci-fi movie way. In a real, consistent, make-money-while-you-sleep way.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Mention savings and loans in the early 1990s and people grabbed their wallets. The $500 billion bailout. 675 bankrupt institutions. 10,000 fraud cases pending with the FBI. The word “thrift” used to remind people of Jimmy Stewart in It’s a Wonderful Life. Now it reminded them of Charles Keating in handcuffs.
You know George Bailey, right? Jimmy Stewart in It’s a Wonderful Life. The small-town banker who gives away his honeymoon money to save his neighbors from financial ruin. The guy who runs a building and loan association and is basically the most decent person alive.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Peter Lynch would rather invest in a boring, struggling industry than a hot, growing one. That sounds wrong. But he has decades of results backing it up.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Peter Lynch has a regular barber. His name is Vinnie DiVincenzo, he charges $10 for a haircut, and he throws in pleasant conversation for free. Lynch has never had a problem with Vinnie’s work.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
By late 1991, everyone was convinced that real estate was collapsing. For-sale signs were popping up like weeds. Fat-cat homeowners in places like Marblehead, Massachusetts, were complaining that their houses were worth 30 to 40 percent less than a couple years ago. Newspapers ran collapse stories almost daily.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Peter Lynch didn’t find his best stock ideas in analyst reports or at investment conferences. He found them at the Burlington Mall, 25 miles from his house.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
This chapter is where the Magellan retrospective ends and the practical stockpicking begins. Lynch is about to walk us through the 21 stocks he recommended at the 1992 Barron’s Roundtable. But first, he explains his method. And it starts with a warning about both extremes.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
By mid-1983, Lynch owned 450 stocks. By fall, that number had doubled to 900. He had to be ready to tell 900 different stories to his colleagues in 90 seconds or less. Which meant he actually had to know all 900 stories.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Peter Lynch’s day started at 6:05 AM in the backseat of a friend’s Saab. His buddy Jeff Moore drove while his wife Bobbie held X-rays up to a small light in the front seat. Lynch sat in the back with his own light, reading annual reports. The X-rays never got mixed up with the financial reports.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Peter Lynch didn’t start Magellan. He inherited it. And what he inherited in 1977 was kind of a mess.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Mutual funds were supposed to make investing easy. Instead of picking stocks yourself, you just pick a fund. But here’s the thing. By the early ’90s there were more mutual funds than individual stocks on the New York and American exchanges combined. So now you had to pick from 3,565 funds. The confusion didn’t go away. It multiplied.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Every January since 1986, Peter Lynch sat on a panel of investment experts at the Barron’s Roundtable. They’d meet for eight hours in the Dow Jones offices in Manhattan, under spotlights and hanging microphones. Very serious stuff.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
A group of seventh graders at St. Agnes School in Arlington, Massachusetts, picked a portfolio of 14 stocks. Over two years, their picks gained 70 percent. The S&P 500 gained 26 percent in the same period. Those kids outperformed 99 percent of all equity mutual funds.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Lynch opens the Introduction of Beating the Street like a preacher returning to the pulpit. He has one message, and he’s not being subtle about it. Buy stocks.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Peter Lynch turned off his Quotron machine at Fidelity Magellan Fund on May 31, 1990. He’d been running the fund for exactly 13 years. In that time he’d purchased more than 15,000 different stocks. He could remember 2,000 stock symbols.
Book: Beating the Street by Peter Lynch with John Rothchild | ISBN: 978-0-671-75915-5
Peter Lynch ran the Fidelity Magellan Fund for 13 years. During that time, he turned every $1,000 invested into roughly $28,000. He bought more than 15,000 stocks. He beat the market almost every single year. And then, at age 46, he quit.