Ratings on (RADS) (SPLS) (SVNT) (TE) (TEF) (ZOLT) Downgraded

Analysts downgraded their ratings on Radiant Systems Inc (NASDAQ: RADS), Staples, Inc. (NASDAQ: SPLS), Savient Pharmaceuticals, Inc. (NASDAQ: SVNT), TECO Energy, Inc. (NYSE: TE), Telefonica SA (NYSE: TEF) and Zoltek Companies, Inc. (NASDAQ: ZOLT) today.

Sidoti downgraded Radiant Systems Inc (RADS) from a “buy” rating to a “neutral” rating.

Nomura downgraded Staples, Inc. (SPLS) from a “neutral” rating to a “reduce” rating.

Lazard Capital downgraded Savient Pharmaceuticals, Inc. (SVNT) from a “buy” rating to a “neutral” rating.

Bank of America (NYSE:BAC) downgraded shares of TECO Energy, Inc. (TE) from a “neutral” rating to an “underperform” rating.

Deutsche Bank (NYSE:DB) downgraded Telefonica SA (TEF) from a “buy” rating to a “hold” rating.

Craig Hallum downgraded Zoltek Companies, Inc. (ZOLT) from an “accumulate” rating to a “neutral” rating.