NEW YORK, May 11 (Xinhua) -- The U.S. stocks ended mixed on Friday amid positive data on consumer sentiment and concerns over banks as JP Morgan posted huge losses.

On the economic front, U.S. consumer sentiment for May rose sharply to its highest level in more than four years, according to the Thomson Reuters/University of Michigan survey.

Meanwhile, the Labor Department said Friday that the producer price index, which measures price changes before they reach the consumer fake gucci sunglasses, dropped 0.2 percent last month, the first decline since December and the biggest drop since October.

However, the core index which excludes volatile food and energy costs rose 0.2 percent.

Major banks saw their stock prices suffer on Friday as JP Morgan Chase, the biggest U.S. bank, revealed on Thursday a surprising trading loss of 2 billion dollars for the past six weeks.

The losses came from derivatives bets which have gone wrong in the bank's Chief Investment Office, a unit that manages risk for the New York-based bank.

After factoring in other securities gains, JP Morgan raised its estimates for Chief Investment Office's net losses to 800 million dollars in the second quarter. The unit was previously expected to gain 200 million dollars.

Moreover, investors stayed alert on the European situation. Greek political parties are trying to make an agreement on forging a coalition government.

Some investors thought that it looked like the European public has determined that a Greek exit is a sure thing.

The Dow Jones industrial average dropped 34.44 points, or 0.27 percent, at 12,820.60. The Standard & Poor's 500 was down 4.60 points, or 0.34 percent, to 1,353.39. The Nasdaq Composite Index edged up 0.18 points, or 0.01 percent, to 2,933.82.

As for other markets, U.S. dollar currency index rose 0.22 percent to 80.29 in the late afternoon trading section on Friday, thanks to positive economic data.

Crude prices fell on Friday on weak confidence as European debt worries and China's economic slowdown weighed, posting another weekly loss.

Light, sweet crude for June delivery slipped 95 cents replica gucci belts, or 0.98 percent to settle at 96.13 dollars a barrel on the New York Mercantile Exchange. For this week, it dropped 2.36 dollars, or 2. 40 percent. In London, Brent crude for June delivery also declined slightly and last traded around 112 dollars a barrel, pointing to a weekly loss.