Stocks tumbled on Tuesday as President Trump’s broad tariffs against Canada, Mexico and China reverberated through global markets, intensifying investors’ concerns over the health of the economy.

The S&P 500 fell as much as 2 percent, before losses moderated in the afternoon and the day ended down 1.2 percent. The tech-heavy Nasdaq Composite index briefly dropped into what is known as a correction — a drop of 10 percent or more from its recent peak — before investors appeared to “buy the dip,” prompting a modest recovery in afternoon trading.

The selling on Tuesday was broad based, with roughly 80 percent of the stocks in the S&P 500 lower for the day. That was true even after the afternoon rally, with the recovery propelled by some of the largest tech companies like Nvidia and Alphabet, which have a large impact on the overall index’s value because of their size. Out of 11

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