By Twesha Dikshit and Purvi Agarwal

(Reuters) -Wall Street’s main indexes fell on Thursday, as technology stocks came under fresh selling pressure, while U.S. tariff concerns and uncertainty around the health of the economy kept investors on edge.

Most tech stocks declined as worries over stretched valuations lingered, after a brief respite on Wednesday. Warnings of a market pullback from Wall Street executives on Tuesday had prompted a sharp sell-off in markets driven by AI-linked stocks.

Apple fell 0.3%, Microsoft was down 1.6% and Nvidia lost 1.2%. The information technology sector fell 1.2%.

DoorDash slumped 16% to the bottom of the S&P 500 after the delivery firm reported third-quarter profit below Wall Street expectations on rising expenses. It weighed on the consumer discretiona

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