ProShares UltraPro Short QQQ ETF

(:SQQQ) 

The ProShares UltraPro Short QQQ (SQQQ) is a 3x leveraged inverse ETF that tracks the Nasdaq 100. It seeks to return the exact results of the Nasdaq 100 index times negative three. This ETF follows the Nasdaq 100, which is heavily weighted toward technology and telecommunications stocks.