Apple had humble beginnings in the 1970's in a small garage in Los Altos, California. Monday Apple's worth topped $623 billion, making the technology giant the most valuable company in history.Microsoft had the previous record of $620 billion set in 1999. Apple stock gained over $14 on Monday helping achieve the milestone with a closing price of 662.38, which incidentally was about the cost of an Apple I computer in 1976.

Exxon Mobil is second on the list. Apple is worth 50 percent more than the oil supplier. Many believe the future of Apple is upward.

 

Many analysts believe there's nowhere to go but up for Apple, especially as excitement builds over the impending launch of the iPhone 5 and prospects of a new iPad that will be more affordable than the previous models.