This Chart Suggests An 18% Drop In The S&P 500 By: TalkMarkets January 12, 2016 at 11:20 AM EST Technical analysis suggests that the S&P 500 can drop 18% from current levels and test support at the old highs of the dot-com bubble and the housing bubble. Read More >> Related Stocks: Energy Select Sector SPDR Nasdaq Biotechnology Ishares ETF SPDR S&P 500 ETF Trust