U.S. stocks rose on Monday, extending Friday's gains, with tech shares lifted as wireless technology company Qualcomm Inc. raised its profit outlook and network equipment builder Cisco Systems got a boost from favorable article. Acquisitions and mergers in banking and defense contracting and lower oil prices also contributed to gains, analysts said. Cisco rose 2.2 percent to $18.43 after Barron's financial news weekly said the company remains a powerhouse in its core business. But airplane maker Boeing Co., a Dow component, fell after its chief executive was fired. Shares of Boeing fell 0.6 percent to $58.02 after the company announced it had fired Chief Executive Harry Stonecipher for having an affair and violating the company's rules. The Dow Jones industrial average was up 28.38 points, or 0.26 percent, at 10,968.93. The Standard & Poor's 500 Index was up 5.29 points, or 0.43 percent, at 1,227.41. The technology-laced Nasdaq Composite Index was up 26.21 points, or 1.27 percent, at 2,096.82. --More 2334 Local Time 2034 GMT