For about two hours on Monday morning, trading in shares of about 40 stocks on the New York Stock Exchange was halted after a technical glitch led to misquoted prices, including those of Berkshire Hathaway, which showed a drop of more than 99 percent.
In a statement, a spokeswoman for the New York Stock Exchange said the malfunction had been caused by a technical issue with a data feed that displays bids and prices, known as a securities information processor.
Other stocks affected by the problem included Chipotle, GameStop, and the movie theater chain AMC. Companies whose share prices temporarily plummeted by nearly 100 percent included Barrick Gold, the Bank of Montreal, and NuScale Power, a developer of small nuclear reactors.
Trading glitches like the one on Monday are rare but do happen. In 2023, an error led to wild swings in prices that affected more than 250 stocks.
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