This short lasted longer than I imagined considering the market action... the irony is the first day in 2 weeks the S&P finally opens in the red, one of my shorts gets taken away.  Oh mother market - you are so cruel.  Greenhill & Co (GHL) jumped over my stop loss of $78.20 (entry was $76.50) so I will take the 2.2% loss on the position that began a week ago Wednesday and exit.  I don't see any particular news for the move but perhaps there was a broker upgrade.