U.S. Stock market today: The Dow Jones Industrial Average dropped 282 points, or 0.58%, to 48,428. The S&P 500 slid 0.47% to 6,897. The Nasdaq Composite led losses, falling 0.65% to 23,439. Silver prices plummeted 8% after a parabolic run to $80 per ounce. Gold futures also tumbled more than 4%, falling toward the $4,300 level.
