<a href='Up/Downgrades
Today's Upgrades:
Company Ticker Brokerage Firm
Rovi ROVI Maxim Group
Ventas VTR Stifel Nicolaus
Learning Tree LTRE Stifel Nicolaus
Invesco Mortgage Capital IVR Stifel Nicolaus
NetApp NTAP RBC Capital Mkts
Harmony Gold HMY HSBC Securities
Today's Downgrades:
Company Ticker Brokerage Firm
Ener1 HEV Wunderlich
Warner Music Group WMG Needham
Sunpower SPWRA Brigantine
IdaCorp IDA KeyBanc Capital Mkts
Allos Therapeutics ALTH Needham
National Semi NSM FBR Capital
Atheros Communications ATHR FBR Capital
Sun Hydraulics SNHY Robert W. Baird
Beacon Power BCON Ardour Capital'>Up/Downgrades
Today's Upgrades:
Company Ticker Brokerage Firm
Rovi ROVI Maxim Group
Ventas VTR Stifel Nicolaus
Learning Tree LTRE Stifel Nicolaus
Invesco Mortgage Capital IVR Stifel Nicolaus
NetApp NTAP RBC Capital Mkts
Harmony Gold HMY HSBC Securities
Today's Downgrades:
Company Ticker Brokerage Firm
Ener1 HEV Wunderlich
Warner Music Group WMG Needham
Sunpower SPWRA Brigantine
IdaCorp IDA KeyBanc Capital Mkts
Allos Therapeutics ALTH Needham
National Semi NSM FBR Capital
Atheros Communications ATHR FBR Capital
Sun Hydraulics SNHY Robert W. Baird
Beacon Power BCON Ardour Capital</a>