Apple has issued a press release reiterating its commitment to return some of its extremely large cash pile to shareholders, saying that Apple management and the Board of Directors are in "active discussions" about how to return cash to shareholders. This follows letter sent to Apple shareholders this morning by Greenlight Capital [PDF], a major Apple shareholder, arguing that the company "must examine all of its options to unlock the growing value of its balance sheet". Apple's statement: By early last year, Appleās cash balance had built to a point beyond what we n