By Anora Mahmudova, MarketWatch

NEW YORK (MarketWatch) -- The U.S. stock shook off opening losses on Wednesday as investors digested upbeat earnings and deal news and a larger-than-expected fall in home construction in January.

Zale Corp. shares (ZLC) soared on news that the jewelry retailer's larger rival plans to buy it for $690 million. Garmin shares (GRMN) jumped after better-than-expected earnings results.

The S&P 500 index (SPX) was 6 points, or 0.3%, higher at 1,846.44, within a hair-breadth from its all-time high reached on Jan 15.

The Dow Jones Industrial Average (DJI) added 90 points, or 0.6%, to 16,219.89.

The Nasdaq Composite (RIXF) inched up less than a point to 4,273.05 rising for the ninth consecutive sessions. Follow our stock market live blog.

Economic data: Housing starts, wholesale prices

"With the weather being this cold, it is hard to draw conclusions from housing reports," said Terry Sandven, senior equity strategist at U.S. Bank Wealth Management.

"Both the headline number and building permits were below expectations, but not at worrying levels," he said.

"Fundamentals still remain strong, as earnings growth this season so far beat expectations. We are optimistic about the markets in 2014, however, this year we do need the economy to grow for companies to sustain earnings and drive markets higher," he added.

Construction on new U.S. homes tumbled 16% in January to a seasonally adjusted annual rate of 880,000, with drops for single-family homes and apartments, according to Commerce Department. Economists polled by MarketWatch said particularly poor weather hit construction last month. Building permits, a sign of future demand, fell to the lowest rate since August.

U.S. producer prices rose in January under the government's new formula for measuring wholesale inflation, the Labor Department said Wednesday.

Investors will also focus on the minutes from the Federal Reserve's policy-setting meeting in January, scheduled for 2 p.m. Eastern. At the meeting, the Federal Open Market Committee voted to cut back its asset-purchase program by another $10 billion.

In other central-bank news, two nonvoting members are slated to speak. Atlanta Fed President Dennis Lockhart will talk about the economic outlook at Mercer University in Macon, Ga., at 12:15 p.m. Eastern, followed by St. Louis Fed President James Bullard's speech on the U.S. economy and monetary policy in Washington, D.C. at 1 p.m. Eastern.

Movers: Zale, Chelsea Therapeutics International soar

Shares of Zale (ZLC) soared 40% after Signet Jewelers Ltd. (SIG) said it would buy its smaller rival for about $690 million in an all-cash deal. Signet shares rose 17%.

Chelsea Therapeutics International Ltd. (CHTPE) shares surged 31% after the U.S. Food and Drug Administration conditionally approved the pharmaceutical company's new drug for treating symptomatic neurogenic orthostatic hypotension. The drug, called Northera, received an accelerated approval since it was deemed to treat a serious unmet medical condition.

Garmin Ltd. (GRMN) climbed 7.9% after the company's earnings beat Wall Street expectations. The provider of standalone global positioning systems said its nonautomotive and mobile segments of its business made up 50% of the company's total revenue.

Carlyle Group (CG) shares rallied 3.7% after the company's fourth-quarter earnings beat expectations.

Among decliners, Potbelly Corp. (PBPB) dropped 9.6% Wednesday after reporting fourth-quarter results. Earnings per share beat estimates, however, revenues fell short of expectations.

La-Z-Boy Inc. (LZB) slid 4.1% after the firm reported fiscal third-quarter results late Tuesday that failed to meet analyst estimates.

Tesla Motors Inc. (TSLA) and Safeway (SWY) are expected to report fourth-quarter results after the market close.

Overseas: UK unemployment rate rises

In other financial markets, the dollar rose against the pound after the U.K. unemployment rate unexpectedly rose in the three months to December, easing pressure on the Bank of England to raise interest rates. Interest-rate hikes tend to be supportive for that country's currency. The dollar index edged up after housing and inflation data in the U.S.

European stocks traded mostly lower, while Asia markets closed mixed. Most metals prices declined and oil prices inched higher.

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