Stocks give up early gains as uncertainty about Trump's tariffs reigns

NEW YORK (AP) — The U.S. stock market is careening through a second straight day of stunning swings Tuesday as uncertainty continues to reign about what whether President Donald Trump will ease up on his trade war, which is scheduled to kick into a higher gear after midnight.After roaring to an early gain of 4.1%, which put it on track for its best day in years, the S&P 500 quickly lost all of it within a few hours. It was virtually flat in afternoon