Today's noteworthy downgrades include: Actuant (ATU) downgraded at Stifel... American Capital Mortgage (MTGE) downgraded to Hold from Buy at Wunderlich... Campus Crest (CCG) downgraded at RBC Capital... Care.com (CRCM) downgraded to Neutral from Overweight at JPMorgan... Electrolux AB (ELUXY) downgraded to Neutral from Overweight at JPMorgan... Ericsson (ERIC) downgraded to Equal Weight from Overweight at Morgan Stanley... Extreme Networks (EXTR) downgraded at Raymond James... PrivateBancorp (PVTB) downgraded to Market Perform from Outperform at BMO Capital... TD Ameritrade (AMTD) downgraded to Neutral from Buy at Goldman... Tableau (DATA) downgraded at Mizuho... Tech Data (TECD) downgraded to Hold from Buy at Needham... Tesoro (TSO) downgraded at Wells Fargo... Ultra Clean (UCTT) downgraded to Hold from Buy at Needham... Vince Holding (VNCE) downgraded to Neutral from Overweight at Piper Jaffray... Youku Tudou (YOKU) downgraded to Sell from Hold at Deutsche Bank.