The Dow Jones took a triple-digit dive on Thursday afternoon as escalating worries about the Trump administration's ability to push through its agenda rattled investors. The Dow closed at 21,750, its biggest drop in three months and the second-worst day of the year. Markets also remained on edge after a terror attack in the center of Barcelona killed at least 13 people and wounded more than 50. Underscoring both events, the VIX "fear" index that gauges volatility on Wall Street spiked to 25 percent on Thursday afternoon. read more http://www.nbcnews.com/business/mar...points-trump-worries-barcelona-attack-n793601