U.S. stocks prepare to finish week in the red

It has been a wild week for U.S. markets, defined by trillion-dollar intraday swings, a landmark legal verdict against Big Tech, and a now-familiar pattern, in which President Donald Trump makes dramatic claims about Iran that independent verification cannot confirm — often followed by market moves that benefit whoever positioned correctly in advance. As of Friday morning, the S&P 500 is down about 1.5% total since Monday's open, despite a brief surge when Trump posted on Truth Social claiming “very good ...