KLR Group has upgraded the stock of Resolute Energy Corp. (NYSE:REN) to Buy from its previous rating of.

Some other ratings on the stocks on December 6 are:

Loop Capital has upgraded the stock of Avago Technologies Ltd. (NASDAQ:AVGO) to Buy from its previous rating of. The firm has set a target price of $206

Loop Capital has upgraded the stock of Maxim Integrated Products Inc. (NASDAQ:MXIM) to Buy from its previous rating of. The firm has set a target price of $49

Macquarie has upgraded the stock of American Tower Corp. (NYSE:AMT) to Outperform from its previous rating of.

Macquarie has upgraded the stock of SBA Communications Corp. (NASDAQ:SBAC) to Neutral from its previous rating of.

About Resolute Energy

Resolute Energy Corporation is an independent oil and gas company. The Company is engaged in the exploitation, development, exploration for and acquisition of oil and gas properties. Its properties are Aneth Field located in the Paradox Basin in southeast Utah (the Aneth Field Properties or Aneth Field), and the Permian Basin in Texas and southeast New Mexico (the Permian Properties or Permian Basin Properties). It has an interest in gas gathering and compression facilities located within and adjacent to its Aneth Field Properties. Aneth Field is an oil field in southeast Utah, which produces approximately 6,290 equivalent barrels of oil per day. It owns working interests in the Aneth Unit, the McElmo Creek Unit and the Ratherford Unit. The Company has interests in approximately 27,750 gross (17,570 net) acres in the Permian Basin of Texas and southeast New Mexico. It covers over two project areas, including the Delaware Basin project area and the Northwest Shelf project area.