TabTimes writes, Apple has become the most valuable company of all time, surpassing the previous record set by Microsoft back in 1999. Apple’s stock hit $664.74 on Monday morning trading, taking the firm’s overall value to $619 billion, a touch higher than the $618.9 billion recorded by Microsoft in December 1999. Claims of Apple now being the world's 'most valuable brand ever' can however be contested. After all, these figures do not account for inflation, for if they did they would place the Microsoft of 1999 as to be being worth just under $850 billion. TechCrunch also reports that...