Dow Jones industrial average

KEEPING SCORE: The Dow Jones industrial average rose 25 points, or 0.1 percent, to 17,656 as of 9:50 a.m. Eastern. The Standard & Poor's 500 index rose three points, or 0.1 percent, to 2,096 and the Nasdaq composite rose a point to 5,089.

KEEPING SCORE: The Dow Jones industrial average rose 34 points, or 0.2 percent, to 17,475 as of 10 a.m. Eastern. The Standard & Poor's 500 index rose five points, or 0.3 percent, to 2,073 and the Nasdaq composite lost five points, or 0.1 percent, to 5,035.

The losses follow declines in U.S. markets last week, when the three major indexes fell between 2 to 3 percent each. Global economic growth concerns remain the main focus for investors.

Faced with a drop in stock prices in Asia, Europe and the U.S., investors moved into traditional safe havens. The yield on the 10-year U.S. Treasury note fell to 2.22 percent from 2.26 percent on Friday. The price of gold rose 1 percent. Dividend-heavy stocks, like utilities, also gained.

In China, the Shanghai stock index plunged 8.5 percent Monday, its worst fall since 2007, despite government efforts to calm the market.

Teva Pharmaceutical Industries of Israel jumped 8 percent after saying it would buy Allergan's generic drug business. Allergan jumped 7.5 percent.

The Dow Jones industrial average lost 133 points, or 0.8 percent, to 17,435 as of 9:35 a.m. Eastern time.

With corporate earnings in full swing, several big companies were making sharp moves Friday after reporting their results.

Most notable was Amazon, which jumped 17 percent after surprising investors with a profit.

Elsewhere, Capital One sank 10 percent and Biogen plunged 17 percent after their results fell short of what analysts were expecting.