The three most active stocks and funds in pre-market trading on the Nasdaq were InterActiveCorp (IACI) PowerShares QQQ Trust (QQQ) and Sirius XM Radio (SIRI). While not appearing on the Nasdaq’s Top-Ten Most Active Share Volume list earlier this morning shares of IAC began trading actively reaching a total of 1 800 978 shares right before the opening bell. The rating cuts made by several analysts on IAC earlier this week may account for this activity but there was no change in the value of the stock. Investors traded 1 018 298 shares of QQQ which was up $0.11 ...