Buying shares of an index fund that tracks either one of those indexes, will give you the growth in aggregate of all the companies represented in the fund. (themindfuldollar.com)
ETF's trade on a stock exchange like individual stocks, so when you buy or sell shares of an index fund, you incur a standard commission fee. (financialhighway.com)
When I buy one share of an index fund for $ 20 and sell it for $ 30, I have a $ 10 capital gain, which I have to pay tax on. (novelinvestor.com)