Oil prices extend slide one day after U.S. crude drops below zero; Dow plunges more than 600 points

https://www.washingtonpost.com/business/2020/04/21/oil-crash-stocks-today-coronavirus/?wpmk=1&wpisrc=al_news__alert-economy--alert-national&utm_source=alert&utm_medium=email&utm_campaign=wp_news_alert_revere