Cathie Wood sat onstage at the legendary Fontainebleau hotel in Miami in the middle of April. Wood's flagship fund, the ARK Innovation ETF, had lost roughly half of its value over the previous year, as its aggressive bets on hot companies like Coinbase, Robinhood, and Tesla had melted down amid a bear market in tech stocks. It was an awkward time to be a keynote speaker at a conference for money managers. This is the rise and fall of Cathie Wood.