Stocks ended mixed on Friday after the Labor Department said employers created 274,000 new jobs in April and added more workers in each of the two prior months than first thought.

The Dow Jones Industrial Average rose 5.02, or 0.1 percent, to 10,345.40. The Standard & Poor’s 500 Index was down 1.28, or 0.1 percent, at 1,171.35. The Nasdaq Composite Index gained 5.55, or 0.3 percent, to 1,967.35

The April jobs total beat Wall Street economists’ expectations of 170,000 new jobs. And the government said 93,000 more jobs were created in February and March than it previously reported 146,000 in March instead of 110,000 and 300,000 in February instead of 243,000.

Among local companies, shares of JAMDAT Mobile Inc. soared 39 percent to $24.33 after the L.A.-based wireless game publisher reported earnings that topped analysts’ forecasts and said profit this quarter will also top estimates. After Thursday’s closing bell, the company reported first-quarter profit of 17 cents a share, topping the 13 cents expected by analysts surveyed by Thomson Financial. Second-quarter profit will be 18 cents, beating the 13 cents expected by analysts.

And Reinhold Industries Inc. rose 5 percent to $29.39 after the Santa Fe Springs-based custom composite components manufacturer reported net income of $1.7million (52 cents per diluted share) for the first quarter ended March 31, compared with $1.2 (37 cents) for the like period a year earlier.

On the down side, shares of Salem Communications Corp. sank 7.4 percent to $18.86 after the Camarillo-based Christian broadcaster’s stock was downgraded to “peer-perform” from “outperform” by analyst Victor B. Miller at Bear Stearns & Co.

And Gemstar-TV Guide International Inc. lost 4.4 percent to close at $3.70 after the L.A.-based entertainment company’s stock was cut to “source of funds” from “buy” by analyst John Tinker at ThinkEquity Partners.