U.S. stocks were little-changed at the open on Tuesday as traders await a batch of inflation data along with the informal beginning of the first-quarter corporate earnings season. The S&P 500
SPX,
gained 5 points, or 0.1%, to 4,114. The Dow Jones Industrial Average
DJIA,
rose by 40 points, or 0.1%, to 33,636. The Nasdaq Composite
COMP,
was little-changed at 12,084.