Like Preakness bettors, 401k owners have cash on line in Apple's race to $1 trillion value
(USA Today Money)

Apple`s swelling market value accounts for 4.1% of the Standard & Poor’s 500, the biggest weighting in the large-company stock index. That means investors who never bought a share of Apple themselves, but who own S&P 500 index funds, have exposure to the company.       Â