By Anora Mahmudova, MarketWatch

NEW YORK (MarketWatch) -- U.S. stocks gave up opening gains on Thursday and turned lower as investors digested data on weekly jobless claims and focused on corporate earnings reports.

The S&P 500 index (SPX) fell 5 points, or 0.3% to 1,832.98. The benchmark index has fallen in three out of four sessions since the new year.

The Dow Jones Industrial Average(DJI) lost 63 points, or 0.4% to 16,400.54. The technology-heavy Nasdaq Composite(RIXF) dropped 18 points, or 0.4% to 4,147.48.

The number of Americans who applied to receive unemployment benefits in the first week of the new year fell to the lowest level since the end of November. In the week ended Jan. 4, initial jobless claims fell by 15,000 to a seasonally adjusted 330,000, the U.S. Department of Labor said Thursday. That matched the forecast of economists polled by MarketWatch.

Investors are awaiting the official unemployment figures due to be released on Friday. Setting the tone for Friday's job data, was an upbeat report from Automatic Data Processing, showing that private employers created 238,000 jobs in December, exceeding estimates.

Investors also focused on European Central Bank chairman Mario Draghi's relatively dovish tone during the press conference, following the central bank's decision to hold its main interest rates unchanged at 0.25%. Earlier, Bank of England also left the rates unchanged at 0.5%. Read the transcript from the live blog here.

Douglas Cote, chief investment strategist at ING investment management, said that current pullback is reasonable and expected, given strong gains in the stock markets in 2013.

"The baton has been passed down from the Fed to markets. Consistently good economic news is going to raise the questions of Fed accelerating tapering, which we believe will end by the end of 2014.

Essentially, fundamentals drive markets: manufacturing, consumers and corporate profits -- all of which are growing and bode well for stocks in 2014. However, consistent good economic news begets more volatility. Markets will have to get used to higher volatility to be rewarded, as market-friendly quantitative easing is gradually withdrawn."

* Central banks: On Thursday, the Bank of England and the European Central Bank kept interest rates on hold. Janet Yellen, incoming Federal Reserve Chairwoman in an interview with Time magazine, said that the U.S. economy would see stronger growth this year. Kansas City Fed President Esther George will deliver a speech on banking and the economy to the Wisconsin Bankers Association in Madison, Wis., at 1:30 p.m. Eastern.

* Movers and shakers: Bed Bath & Beyond Inc. shares fell 12.9% after the retailer reported fiscal third-quarter earnings and trimmed its outlook late Wednesday. Macy's Inc. jumped 7.5% after the retailer said it would lay off 2,500 workers and close five underperforming stores. Family Dollar Stores, Inc. shares slid 6.5% after the discount retailer's quarterly results missed expectations. Apple Inc. shares were in focus after saying it will try to reach a settlement with Samsung on their long-running patent fight ahead of a new trial that is scheduled to begin in March in California. Chief executives from both companies will meet before Feb. 19 with a mediator following a meeting on Monday to discuss "settlement opportunities." Apple shares rose 0.5%. J.C. Penney Co. Inc. climbed 5.1%, recouping some of its 10% loss from the previous session after the firm made veiled comments about its holiday sales. Airline companies added to the previous days gains, following an upbeat outlook on the sector from J.P. Morgan. Delta Air Lines, Inc added 3.7%, United Continental Holdings Inc. soared 10.5% while Southwest Airlines Co added 3.3%.

* In other markets: Underpinning gains for stock futures, Europe stocks were rising, while Asia put on a mixed performance. Chinese inflation data for December met expectations with a rise of 2.5% on the year. The euro weakened against the dollar on Draghi's comments, while gold prices were steady, and crude oil was higher. Bank of America Merrill Lynch cut its gold forecast by 11% for 2014 to $1,150 an ounce, citing the lack of investor buying as a key concern.

More stories from MarketWatch:

U.S. jobless claims fall to five-week low

Live blog: European Central Bank President Mario Draghi's news conference

Bank of America Merrill Lynch slashes gold call

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