U.S. Markets close in 5 hrs 59 mins

Earnings roundup: Costco, Joy Global

Among the earnings stories for Wednesday, Dec. 12, from The Associated Press:

— Costco's fiscal first-quarter net income rose 30 percent on better sales and more revenue from membership fees at its warehouse clubs.

— Joy Global's net income climbed 23 percent in its fiscal fourth quarter, but the coal mining equipment supplier foresees lower volumes in 2013.