The company's market value passed the rarefied half trillion mark in trading Wednesday, as its stock bumped up more than 1%, or nearly $6, to put its value at closer to $504 billion. The stock jump came a day after the company sent invitations to members of the media for an event next Wednesday in which it is expected to release its third generation iPad.
Apple is currently the world's most valuable company by market value -- a measure of the total combined value of all of its outstanding shares of stock. For much of last year, Apple was neck and neck with Exxon Mobil Corp. for that title, but over the last month Apple has catapulted nearly $100 billion past Exxon, which is now worth about $407 billion.Interestingly, Apple's rival for the top spot, Exxon-Mobil is one of the most anti-LGBT companies in the Fortune 500, infamous for eliminating policies like domestic partnership benefits and sexual orientation nondiscrimination when it merged with Mobil. It is the only company ever to get a negative rating on HRC"s Corporate Equality Index.