Mumbai, July 8 -- The Dow tumbled 422.17 points (0.9%) to 44,406.36, the Nasdaq slumped 188.59 points (0.9%) to 20,412.52 and the S&P 500 slid 49.37 points (0.8%) to 6,229.98.

Wall Street's early weakness reflects profit-taking after recent gains, with stocks previously rallying on strong jobs data. Investor concerns grew after Trump posted letters about new tariffs, sparking fresh selling pressure. Imports from several countries now face steep duties, escalating trade tensions globally. Analysts warn that Trump's shifting policies and threats of higher tariffs are unsettling markets.

Computer hardware stocks moved substantially downwards , with the NYSE Arca Computer Hardware Index plunging by 2.2% after ending the previous session at ...