Avie Schneider

Updated at 5:05 p.m. ET

A day after dropping more than 1,000 points, the Dow rebounded Friday to close up more than 300 points. But the index lost nearly 5 percent for the week as the markets focused on rising interest rates, inflation and ballooning government debt.

Updated at 4:55 p.m. ET

The stock market went on a wild ride again on Monday, with the Dow Jones industrial average closing down 1,175 points, its worst point drop in history. The Dow closed down 4.6 percent and turned negative for the year.

At one point Monday afternoon, the Dow was down 1,579 points — the largest intraday point drop in the history of the index.

Beau Biden, Vice President Joe Biden's older son, has died after battling brain cancer, the vice president announced Saturday. Beau Biden, a former attorney general of Delaware, was 46.

"It is with broken hearts that Hallie, Hunter, Ashley, Jill and I announce the passing of our husband, brother and son, Beau, after he battled brain cancer with the same integrity, courage and strength he demonstrated every day of his life," Joe Biden said in a statement issued by the White House. Hallie Biden is Beau Biden's wife; Hunter and Ashley are his brother and half-sister.