Futures plunge, S&P 500 eyes bear territory as market rout worsens

(Reuters) – U.S. stock index futures plummeted on Monday, and the S&P 500 looked set to confirm a bear market, as investors barreled into government bonds on economic worries over the fallout of U.S. President Donald Trump’s sweeping tariff plans. The 10-year U.S. Treasury yields fell to 3.953%, with investors pricing in a chance of a fifth interest-rate cut from the Federal Reserve this year. S&P 500 futures plunged more than 20% from their peak, suggesting the benchmark index has been in a bear marketsince February if it closes down 20% from its all-time highs. Trump told reporters late on…