SolarCity (SCTY -4.2%) has been cut to Neutral by Baird ahead of Monday's Q4 report.
Red Hat (RHT +1%) has been upgraded to Outperform by Cowen.
Gogo (GOGO +3.5%) has been upgraded to Overweight by Evercore. Q4 results are due on March 13.
Youku (YOKU -3.3%) has been cut to Sell by Maxim. Q4 results are expected later this month.
Cabot Microelectronics (CCMP +4.6%) has been upgraded to Buy by D.A. Davidson.