On Wall Street, the S&P 500 had its worst day in nearly two years and the Dow Jones Industrial Average shed over 1,000 points. Shares on Japan’s Nikkei Index fell by over 12% — their worst showing since Black Monday in 1987. Cryptocurrencies dropped, bond yields rose and the VIX, known as the fear index, saw its biggest one-day spike in more than 30 years. Is the Fed to blame? AI over-exuberance? Warren Buffett?

On today’s episode, Bloomberg columnist John Authers walks host David Gura through the global market meltdown: what triggered it, how long it could last, and when to panic.

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Further listening: Why the Market’s Big Tailwinds Are Coming to an End