shares rose 0.8 percent to end at $36.05.
Volume was slightly below the average for the month. About 6.4 billion shares changed hands on US exchanges, compared with the average of 6.6 billion so far this month, according to data from BATS Global Markets.
Advancers outnumbered decliners on the New York Stock Exchange by a ratio of about 17 to 12. On the Nasdaq, advancers were about even with decliners.