US: Wall St opens lower as tariff uncertainty prevails, chipmakers slide

Wall Street’s main indexes opened lower on Thursday (Mar 6) as uncertainty about a trade war unleashed by US tariffs clouded sentiment, while chip stocks slid after Marvell’s forecast fanned worries of slowing demand for AI infrastructure.

The Dow Jones Industrial Average fell 158.1 points, or 0.37 per cent, at the open to 42,848.49.

The S&P 500 fell 56.8 points, or 0.97 per cent, to 5,785.87​, while the Nasdaq Composite dropped 348.2 points, or 1.88 per cent, to 18,204.528. REUTERS