Every two weeks, we get a chance to look at fresh data on how heavily stocks are being shorted. It helps to see what short-sellers are focusing on — especially if you own one of the stocks being targeted. You'll often see short positions in a particular stock slowly rise as an increasing number of short sellers start to sniff trouble at a company. But it's highly unusual to see a short position rise … [visit site to read . . . → Read More: Short Sellers Could be Dead Wrong about this Stock