 ProShares UltraPro Short QQQ NASDAQ:SQQQs share price reached a new 52-week low on Friday . The stock traded as low as 7.73 and last traded at 7.75, with a volume of 1023170 shares. The stock had previously closed at 7.99. The firms 50 day moving average price is 9.95 and its two-hundred day moving average ... 