NEW YORK — Wall Street is pulling further from its records on Tuesday, ground down by tightening pressure from the bond market.

The S&P 500 sank 1.3% and was on track for its worst day in a month. The Dow Jones Industrial Average was down 474 points, or 1%, as of 11:30 a.m. Eastern time, and the Nasdaq composite was 1.6% lower. All three are still relatively close to their recently set all-time highs.

Big Tech companies were some of the heaviest weights on the market. They've been soaring for years on expectations that they'll continue to dominate the economy, but they also shot so high that critics say their prices simply became too expensive.

Nvidia, whose chips are powering much of the world's move into artificial-intelligence technology, fell 3% and was the single strongest force pu

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