Shares of Cisco, considered a bellwether for the performance of the broader network gear industry, rose nearly 4 percent in extended trading on Wednesday. The company is the market leader in selling network equipment to businesses, controlling about half of the $38 billion global market and overshadowing rivals Hewlett-Packard Co (HPQ.N) and China’s Huawei Technologies Co Ltd (HWT.UL), according to market research firm Gartner.