It's been hard to miss the recent rise in Apple's stock, but its new high today has set a benchmark. With the rising value of its shares, Apple has broken the record for being the most valuable publicly-owned company.
According to CNN, Apple's stock hit an all time high of $664.74 a share on Monday, which multiplied by the number of outstanding shares makes Apple worth $623 billion. This new value trumps the old record of $618.9 billion, held by Microsoft in December of 1999.
Apple's stock has swelled recently on rumors that it has a new versions of of its iPad, iPhone, and Apple TV ready to be launched. It does bear mentioning that if the numbers were adjusted for inflation, 1999's Microsoft would still hold the record, being worth $851 billion in 2012 dollars.