U.S. stocks open higher as dollar retreats from parity with euro

U.S. stocks opened mostly higher on Tuesday as Treasury yields declined and the dollar retreated from parity with the euro. The S&P 500
SPX,
+0.47%
dropped 2.5 points, or 0.1%, at 3852. The Nasdaq Composite
COMP,
+0.96%
climbed 45 points, or 0.4%, at 11,417. The Dow Jones Industrial Average
DJIA,
+0.34%
was down 55 points, or 0.2%, at 31,124. The strong dollar has been adding to concerns about waning economic growth, which weighed on equities yesterday.