Dow closes 570 points lower.

Stocks sold off sharply Tuesday after comments from Federal Reserve Chair Jerome Powell suggested that rates may need to go higher for longer, fueling fears of a potentially larger hike at the central bank's next policy meeting. The Dow Jones Industrial Average shed 574.98 points, or 1.72 percent, to end at 32,856.46. The SandP 500 lost 1.53 percent to close at 3,986.37 and below the 4,000 level. The Nasdaq Composite dropped 1.25 percent to settle at 11,530.33...