NEW YORK — Stocks are opening slightly lower on Wall Street as traders are mostly unimpressed with the latest batch of corporate earnings.

Coca-Cola dropped 3 percent to $39.74, the worst drop in the Dow Jones industrial average, after reporting a slump in soda sales in North America.

The Dow was down 15 points, or 0.1 percent, to 15,469 points after the first few minutes of trading Tuesday.

The Standard & Poor's 500 index was down two points, also 0.1 percent, to 1,680. The S&P has risen for the previous eight days, its longest winning streak since January.

The Nasdaq composite was down a point at 3,606.

Johnson & Johnson rose 1 percent to $91.33 after reporting that its second-quarter profit more than doubled thanks to higher sales of medicines and medical devices.