Investors are piling back into an infamous trade that just blew up

The short-volatility trade imploded last week, as a sharp spike in the Cboe Volatility Index, or VIX, wiped out positions. That hasn't stopped investors from continuing to pile into short-VIX products, even on the heels of a stock market correction that the strategy helped fuel. Investors have wasted no time in piling back into a now-infamous trade that recently blew up. They've poured more than $575 million into the ProShares Short VIX Short-Term Futures ETF (SVXY) since the start...