The 1920s RCA radio stock bubble
In 1921, a share of RCA cost about $1.50. By 1929, it hit $574. It was the original "to the moon" stock, fueled by the magic of wireless voices and pure, unadulterated greed.
Everyone was convinced radio would change the world—and it did—but they forgot to check the math. Investors were just passing a hot potato of hype, betting that the next guy would be even more delusional. The punchline? RCA didn't pay a single cent in dividends during the entire boom.
It is the exact same script as every modern tech bubble, just with more mahogany cabinets and fewer emojis. We haven't actually gotten smarter; our delusions just have better graphics now.
They didn't make money from the company's success; they made money from each other. It’s the classic "Greater Fool Theory." You buy a piece of paper for $100 knowing it’s worth $1, purely because you’re certain some bigger idiot will pay you $200 for it tomorrow.
In the 20s, the "dividend" was just the adrenaline of the price climb. Investors weren't looking for a share of the profits; they were looking for a faster runner to hand the bill to. As long as the ticker tape kept spitting out higher numbers, nobody cared that the business was a piggy bank with a hole in the bottom.
That’s the "Pop." The music stops, the lights come on, and you suddenly realize you’re holding a $500 receipt for a $1 box of air. When the supply of bigger idiots dries up, everyone tries to sprint for the exit at the exact same time.
In 1929, that exit was a tiny door for a massive crowd. Since there were no buyers left, the price didn't just dip; it plummeted. RCA’s stock price eventually cratered from its $574 peak down to a measly $12.
It’s like a game of musical chairs where the chairs were made of mist. When the song ends, you don't just lose the game—you realize you've been standing in an empty room the whole time.
It wasn't one pin; it was a series of pokes. The Federal Reserve raised interest rates, making it expensive to gamble with borrowed money. The "free" fuel for the fire suddenly vanished.
Then, a few big-time investors started selling to lock in profits. When the public saw the "smart money" heading for the door, the vibe shifted from greed to pure terror in seconds.
Panic is more contagious than greed. Once the first few people admitted the radio wasn't printing gold, the collective hallucination evaporated, leaving everyone holding empty boxes.
It was a trap called "buying on margin." You only needed 10% down. To buy $1,000 of RCA, you paid $100 and your broker lent the rest. It’s like buying a house with a 90% mortgage, except the house is cardboard.
As long as prices rose, you were a genius. But when they dipped, brokers made "margin calls," demanding cash back instantly. Since investors didn't have it, they had to sell everything immediately.
This turned a stumble into a stampede. It was a nationwide debt collection where everyone’s pockets were already inside out.
