* 25% tariffs on Mexico, Canada take effect * Tariffs comes after several shaky US economic data releases * S&P 500 stood at 21.3 P/E as of Monday, vs 15.8 long-term average (Updates throughout with fresh market data, comment) By Lewis Krauskopf March 4 (Reuters) - The U.S. stock market is facing a reckoning with the arrival of President Donald...

12:43 PM EST, 03/04/2025 (MT Newswires) -- US equity indexes slumped as a trade war began between the US and its biggest three trade partners -- Canada, China, and Mexico. The Nasdaq Composite sank 0.6% to 18,246.9, with the S&P 500 down 1.1% to 5,785.1 and the Dow Jones Industrial Average 1.4% lower at 42,570.6 after midday on Tuesday. All...

* Illumina falls after China bans imports of its gene sequencers * Target ( TGT ) drops on bleak FY forecast * Tesla's China-made EV sales fall 49.2% in February * Indexes down: Dow 1.62%, S&P 500 1.50%, Nasdaq 1.15% (Updates to mid-session trading) By Johann M Cherian and Sukriti Gupta March 4 (Reuters) - Wall Street's main indexes fell...

NEW YORK (Reuters) -A potential move by the Federal Reserve to ease regulations on capital for U.S. banks that would allow them to hold more Treasury securities has unleashed a torrent of so-called swap spread wideners in the bond market. These are bets that increase demand for U.S. Treasuries that will push their yields lower and closer to those of...