A strong earnings report, MacBook sales notwithstanding, where international sales bolstered the tech juggernaut's bottom line certainly helped, but this has taken the company -- founded in 1976 -- almost 50 years. A massive investment (75 million shares purchased earlier this year) from Warren Buffet's Berkshire Hathaway gave the company a boost as well. Where to go from here? Up, probably. It's what shareholders demand, anyhow.

Update: Apple ended the day trading at $207.39 per share, $0.34 over what was needed to hit that trillion-dollar market cap.