Amid a very tough macroeconomic backdrop that has been sensitive to consumer spending, one of the top-performing stocks in the tech sector this year will surprise you. eBay (NASDAQ: EBAY ), the e-commerce site once best known for its online auctions, hasWith combined experience of covering technology companies on Wall Street and working in Silicon Valley, and serving as an outside adviser to several seed-round startups, Gary Alexander has exposure to many of the themes shaping the industry today. He has bee ...