The S&P 500, off 1.0% to 4,304, finally dipped into correction territory (a decline of 10% or more from a peak). The Nasdaq Composite (-1.2% to 13,381) remains in correction, while the Dow Jones Industrial Average (-1.4% to 33,596) would need to decline another 2.0% to mark a 10% drop from its Jan. 3 record high.