After the nation averted the fiscal cliff for the time being, many sectors rallied today, but tech was one of the biggest. So why was LinkedIn (LNKD.DL), which is already one of the best performers of the year in this sector by a long shot, down 1.9% today? In this video, Motley Fool tech and telecom analyst tells us how, in an already fairly volatile sector, Barclays' view of LinkedIn as having too high of a valuation caused the company to downgrade the stock to a "hold." Eric also tells us why he thinks Barclays may not be making the right call.