Ratings on (WBMD) (TSN) (AES) (LECO) (QIHU) (S) Upgraded

Ratings on shares of Webmd Health Corp (NASDAQ: WBMD), Tyson Foods, Inc. (NYSE: TSN), The Aes Corporation (NYSE: AES), Lincoln Electric Holdings Inc (NASDAQ: LECO), Qihoo 360 Technology (NASDAQ: QIHU) and Sprint Nextel (NYSE: S) were upgraded by analysts.

Citigroup (NYSE:C) upgraded The Aes Corporation (AES) from a “hold” rating to a “buy” rating. They have a price target of $16.00 on the company, up from $14.00.

Longbow Research upgraded Lincoln Electric Holdings Inc (LECO) from a “neutral” rating to a “buy” rating. They have a price target of $92.00 on the company.

Stifel Nicolaus upgraded Qihoo 360 Technology (QIHU) from a “hold” rating to a “buy” rating. They have a price target of $38.00 on the company.

Piper Jaffray (NYSE:PJC) upgraded Sprint Nextel (S) from a “neutral” rating to an “overweight” rating. They have a price target of $6.50 on the company.

Keybanc upgraded Tyson Foods, Inc. (TSN) from a “hold” rating to a “buy” rating. They have a price target of $23.00 on the company.

Goldman Sachs (NYSE:GS) upgraded Webmd Health Corp (WBMD) to a “buy” rating. They have a price target of $60.00 on the company.

Coverage on (PPS) (QIHU) (SPW) (GNC) Initiated

Coverage on shares of Post Properties, Inc. (NYSE: PPS), Qihoo 360 Technology (NASDAQ: QIHU), SPX Corp (NYSE: SPW) and GNC Corp. (NYSE: GNC) was initiated by analysts.

Wunderlich initiated coverage on Post Properties, Inc. (PPS). They placed a “hold” rating and a $41.00 price target on the company.

Citigroup (NYSE:C) initiated coverage on Qihoo 360 Technology (QIHU). They placed a “buy” rating on the company.

ThinkEquity initiated coverage on shares of SPX Corp (SPW). They placed a “buy” rating and a price target of $94.00 on the company.

Credit Suisse (NYSE:CS) initiated coverage on GNC Corp. (GNC). They placed an “outperform” rating on the company.

Coverage on (QIHU) (APO) (SNWV) (VRNT) (YPF) Initiated by Analysts Today

Analysts initiated coverage on Qihoo 360 Technology (NASDAQ: QIHU), American Community Properties Trust (NYSE: APO), SANUWAVE Health (NASDAQ: SNWV.OB), Verint Systems Inc. (NASDAQ: VRNT) and YPF Sociedad Anonima (NYSE: YPF) today.

Stifel Nicolaus initiated coverage on Qihoo 360 Technology (QIHU). They placed a “hold” rating on the company.

JPMorgan Chase & Co. (NYSE:JPM) initiated coverage on American Community Properties Trust (APO). They placed an “overweight” rating on the company.

Rodman & Renshaw initiated coverage on SANUWAVE Health (SNWV). They placed an “outperform” rating and a price target of $6.00 on the company.

Deutsche Bank (NYSE:DB) initiated coverage on American Community Properties Trust (APO). They placed a “buy” rating on the company.

Credit Suisse (NYSE:CS) initiated coverage on Verint Systems Inc. (VRNT). They placed an “outperform” rating and a price target of $42.00 on the company.

Morgan Stanley (NYSE:MS) initiated coverage on YPF Sociedad Anonima (YPF). They placed an “overweight” rating and a price target of $57.00 on the company.

Coverage on (IEX) (QIHU) (RGNC) (APO) Initiated by Analysts Today

Analysts initiated coverage on IDEX Corp (NYSE: IEX), Qihoo 360 Technology (NASDAQ: QIHU), Regency Energy Partners LP (NASDAQ: RGNC) and American Community Properties Trust (NYSE: APO) today.

Wells Fargo & Co. (NYSE:WFC) initiated coverage on IDEX Corp (IEX). They placed an “outperform” rating on the company.

Cowen initiated coverage on Qihoo 360 Technology (QIHU). They placed a “neutral” rating on the company.

Robert W. Baird initiated coverage on Regency Energy Partners LP (RGNC). They placed an “outperform” rating and a $31.00 price target on the company.

Citigroup (NYSE:C) initiated coverage on American Community Properties Trust (APO). They placed a “buy” rating on the company.