When It Comes To ETFs, Keep Your Eye On These Three Metrics By: TalkMarkets June 07, 2016 at 18:02 PM EDT The whole idea behind ETFs is to buy a basket of stocks in one fell swoop. By doing so, you gain instant diversification. Read More >> Related Stocks: Alphabet-A Amazon.com Apple Facebook Microsoft Nasdaq Biotechnology Ishares ETF iShares S&P Technology Index Fund