In related news, Einhorn's Greenlight Capital hedge fund, which manages over $8 billion, gained .3 percent in February, according to anonymous sources cited by Reuters. Greenlight Capital owns about 1.3 million shares of Apple Inc. (NASDAQ:AAPL), which is one of the largest positions held by the hedge fund. Shares of Apple have fallen about 3 percent since Einhorn filed his lawsuit. The stock is down another 2 percent today, dipping dangerously close to the $430 per share mark.