Here's how ugly it needs to get before they shut down the stock market

Wikimedia CommonsIt’s wild out there on Monday morning.Dow futures were down as much as 700 points, the S&P 500 was down about 4%, and the Nasdaq fell 5%, triggering a “limit down” brief pause in trading.And while we’re still a bit away from the point at which the S&P 500 will stop trading for a period, Dave Lutz at JonesTrading […]