The stock-market swoon — here’s how to think about it and what to do By: MarketWatch February 06, 2018 at 09:56 AM EST If you kept cash on the sidelines, the next step is to know when to buy. By Nigam Arora. Read More >> Related Stocks: Dow Industrials SPDR PowerShares QQQ Russell 2000 Ishares ETF SPDR GOLD SPDR S&P 500 ETF Trust Short VIX Short-Term -1X Futures ETF Silver Trust Ishares United States Oil Fund Vaneck Gold Miners ETF