Apple executive briefing at first Apple retail store, May 2001. Ten years ago -- that's right, 2001 -- Apple made four investments that bore fruit in a 21st-century success story. Everything that came afterwards, even iPad and iPhone, traces back to what I call the "2001 Four." Apple made these investments during difficult times. The dot-com bust rippled disastrously through the tech industry, the United States was gripped in recession and Apple's stock value had collapsed. Shares opened at $343.72 today about four bucks off the 52-week high. Apple's market capitalization was $317.21 billion at yesterday's close. Going back in time, Apple shares traded for less than $10 a decade ago. As I explained last month, Apple's fortunes have dramatically changed . The four investments all turn 10 this year, and there surely will be anniversary stories from Mac enthusiast blogs and news sites, perhaps even from more mainstream media. But I expect...