Investing in ETFs has been the hottest trend in the last 10 years. However, this also piles up the risks of a stock market crash, and a fast one! March 12, 2018 7:59 pm by IWB Investing in ETFs has been the hottest trend in the last 10 years. However, this also piles up the risks of a stock market crash, and a fast one! I discuss what could a reversal of the ETF trend do to stocks.