Rubicon (RBCN +10%) has been upgraded to Overweight by JPMorgan.
JA Solar (JASO +5.2%) has been started at Outperform by Northland.
Tablueau (DATA +1.4%) has been upgraded to Outperform by Baird.
Informatica (INFA +4.2%) has been upgraded to Overweight by Barclays.
MagnaChip (MX -2.5%) has been cut to Neutral by Chardan Capital following Friday's restatement/CFO news. UBS downgraded shares to Sell yesterday.
Extreme Networks (EXTR +6%) has been started at Buy by Wunderlich. The company recently launched several new software products, as well as 100-gig Ethernet blade for its switches.
Coupons.com (COUP -2.2%) has received a bullish rating from BofA/Merrill, and neutral ones from Goldman and RBC, on underwriter coverage day.