(Image source: wallcapture) Shares of Western Digital Corp (NASDAQ:WDC) are trading 2 percent higher this morning on an upgraded from JPMorgan Chase & Co. (NYSE:JPM). Western Digital was upgraded from neutral to overweight as a result of more hard drive space. Western Digital’s principal products are hard drives, which are used for storage purposes and fast access to data. The price target was also raised from $56 to $100 a share. Year-to-day, Western Digital is up 97 percent. Citigroup Inc (NYSE:C) recently issued a buy rating on the stock.