Mumbai, Feb. 24 -- The Dow slumped 821.91 points (1.7%) to 48,804.06, the Nasdaq slid 258.80 points (1.1%) to 22,627.27 and the S&P 500 declined 71.76 points (1%) to 6,837.75.

Wall Street sold off amid trade uncertainty after the Supreme Court struck down most of President Trump's global tariffs last Friday. Trump posted on Truth Social Saturday that he would raise worldwide tariffs to a "fully allowed" 15% from 10%, claiming no congressional approval is needed beyond 150 days. He warned countries "playing games" face higher tariffs, while the EU demanded clarity and commitment to the August 2025 Joint Statement.

IBM shares plunged 13.2% after Anthropic's Claude announced COBOL capabilities, pressuring the tech giant's core business dat...