Don't make this second classic stock-market investment mistake By: MarketWatch January 22, 2018 at 12:02 PM EST The first mistake is the “fear of missing out.” The second one is a fear of heights. Read More >> Related Stocks: Alphabet-A Alphabet-C Amazon.com Apple Dow Industrials SPDR Facebook NDX Netflix PowerShares QQQ Russell 2000 Ishares ETF SPDR S&P 500 ETF Trust