The iShares Expanded Tech Sector ETF (NYSEMKT: IGM) has delivered a compound annual return of 10.3% since it was established in 2001, comfortably beating the S&P 500 (SNPINDEX: ^GSPC), which has generated an average annual gain of 7.8% over the same period (as of this writing). Here’s how the iShares ETF could turn $250,000 into $1 million over the long term. The iShares Expanded Tech Sector ETF holds 283 different stocks, including most of the major players in the AI race.