NEW YORK -- U.S. stocks declined on Friday, as investors' optimism faded regarding a resolution of the Greek debt crisis.
The Dow Jones Industrial Average fell 140.53 points, or 0.78 percent, to 17,898.84. The S&P 500 decreased 14.75 points, or 0.70 percent, to 2,094.11. The Nasdaq Composite Index was down 31.41 points, or 0.62 percent, to 5,051.10.
According to Greek government sources Friday, a delegation of top cabinet ministers prepares to return to Brussels to continue negotiations with creditors on Saturday amid an ongoing debt deal deadlock.
Greecefor its part is hoping to reach a deal with international lenders by June 18, so that the next Eurogroup meeting will unlock vital aid to avert Greek bankruptcy.
The International Monetary Fund (IMF) said Thursday its delegation had left negotiations on Greece's debt talks in Brussels and flown home because of "major differences" with Athens.
On June 30, the extension of Greece's second bailout expires. On the same day, Athens needs to repay some 1.5 billion euros (1. 69 billion U.S. dollars) of loan installments to the IMF.
European equities suffered big losses amid the unfolding Greek debt crisis on Friday, with the Athens stocks diving nearly 6 percent.
In Asia, Chinese shares continued to rise on expectations that the central bank would further loosen its monetary policy in the coming weekend, with the benchmark Shanghai Composite Index ending at a new seven-year closing high in current bull run since the middle of last year.
On the economic front, the Producer Price Index for final demand rose a seasonally adjusted 0.5 percent in May, topping expectations, the U.S. Labor Department reported Friday.
U.S. consumer confidence rebounded in early June, regaining its average level recorded since the start of the year.
The preliminary reading of the consumer sentiment in June increased from May's final reading of 90.7 to 94.6, beating market consensus of 91.2, said the monthly Thomson Reuters/University of Michigan survey of consumers Friday.
In a weekly basis, the blue-chip Dow added 0.3 percent, and the broader S&P 500 inched up 0.1 percent, while the tech-heavy Nasdaq dipped 0.3 percent.
The CBOE Volatility Index, often referred to as Wall Street's fear gauge, increased 7.24 percent to end at 13.78 Friday.
In other markets, oil prices lost as crude output from Organization of Petroleum Exporting Countries reached the highest level in almost three years.
Light, sweet crude for July delivery moved down 81 cents to settle at 59.96 dollars a barrel on the New York Mercantile Exchange, while Brent crude for July delivery decreased 1.24 dollars to close at 63.87 dollars a barrel.
The U.S. dollar rose against most major currencies as the country's economic data came out overall positive, raising market expectation of an interest-rate hike this year.
In late New York trading, the euro declined to 1.1259 dollars from 1.1264 dollars in the previous session, while the dollar bought 123.46 Japanese yen, higher than 123.40 yen of the previous session.
Gold futures on the COMEX division of the New York Mercantile Exchange fell on Friday as positive U.S. data put pressure on the precious metal. The most active gold contract for August delivery fell 1.2 dollars, or 0.10 percent, to settle at 1,179.20 dollars per ounce.
