Mixed results keep US stocks flat on open

US stocks opened flat Tuesday after setting fresh records on Monday as strong second-quarter earnings report from Goldman Sachs was offset by a sagging performance from Coca-Cola.

Five minutes into trade, the Dow Jones Industrial Average was up 5.70 (0.04 percent) at 15,489.96.

The broad-based S&P 500 added 0.82 (0.05 percent) at 1,683.32, while the tech-rich Nasdaq Composite picked up 2.45 (0.07 percent) at 3,609.94.

Goldman's profits more than doubled, mainly on its own investment and trading gains, but its shares traded slightly lower.

Coca-Cola said US sales were hurt by rainy and cooler spring weather, driving its profits slightly lower. Coke shares were flat.