HEADLINE STOCKS-Some U.S. stocks to watch on July 10

NEW YORK, July 10 (Reuters) - Some U.S. stocks to watch on Friday:

CHEVRON CORP (CVX.N)

The oil giant warned that second-quarter earnings would be hit by a sharp decline in U.S. refining margins and that any benefits from higher oil prices were largely offset by a weaker U.S. dollar. [ID:nN09478562]

Shares of the Dow component closed Thursday at $63.08.

JPMORGAN CHASE & CO (JPM.N)

The company intends to auction stock warrants issued to the Treasury. [ID:nWEN0432]

Shares fell 1.2 percent to $33.20 in premarket trading.

UBS AG (UBSN.VX)(UBS.N)

The Swiss bank braced on Friday for a high-stakes trial in the United States next week that could force it to reveal secret client data, as a last-minute deal remained elusive. It was unclear whether UBS, one of the world's largest wealth managers, could reach a settlement to the damaging tax row before a court hearing starts, weighing on its shares. [ID:nLA315492]