(Update adds stock prices after the market open.)NRG Energy's ( NRG) board turned down Exelon's ( EXC) revised takeover bid on Wednesday.
Doug Kass shares his thoughts on trying to explain that which cannot be explained, and also discusses what was good (and bad and ugly) this week.
Jim Cramer says what's more noteworthy than the pullback is the day's strong rebound.
Goldman analyst Michael Lapides upgraded and upped his price target on NRG Energy stock.