Apple stock was briefly worth $3 trillion, making it the most valuable company in the world

Apple's market capitalization is almost equal to the London stock market, valued at over $2.72 trillion

Apple is the largest stock in the S&P 500 and has been the largest market weight since 1986

9% of S&P trading volume is Apple, the highest of any one stock since 1982

26% of all large hedge funds hold Apple positions that are larger than 1% of their portfolios, 

Apple does not correlate well with any other area of the market, such as mega-cap

Earnings tend to be significant movers for the stock, 

Apple is somewhat negatively correlated with the euro

It took Apple less than 16 months to add $1 trillion to its market value, 

Apple's earnings multiple has almost quadrupled in five years,