US stocks shake in twitchy trading and the bond market shows more stress as the trade war escalates

NEW YORK (AP) — The U.S. stock market is shaking in another twitchy day of trading after most other markets tumbled Wednesday as President Donald Trump's trade war keeps escalating . The S&P 500 was down 0. NEW YORK (AP) — The U.S. stock market is shaking in another twitchy day of trading after most other markets tumbled Wednesday as President Donald Trump's trade war keeps escalating. The S&P 500 was down 0.7% in midday trading after quivering at the start of trading. The index at the center of many 401(k) accounts swung from an initial loss of 0.5% to…