Apr 20: S&amp;P 500 -2%, DJIA -2%, NASDAQ Composite -1% on oil price crash; Q1 Earnings $IBM LIVE Webcast 5pm EDT https://t.co/vHr4MsvSaA #OilPrices #OilCrash #stocks #NASDAQ $SPY #SPX #DJIA #StockMarket #IBM #RedHat #Cloud #investors #investing https://t.co/FpYsbVDcXz