2012-11-28 16:14:31 -

A number of stocks were upgraded and downgraded by equities research analysts
today, as reported by Analyst Ratings Network ( bit.ly/equitybriefdaily)
and Equity Brief:

Macquarie upgraded shares of The Aes Corporation (NYSE: AES) from a neutral
rating to an outperform rating.

Dawson James initiated coverage on shares of Affymax, Inc. (NASDAQ: AFFY). They
issued an outperform rating on the stock and set a $32.00 price target. They
wrote, "Commercialization of new products is always tricky, especially in the
current environment; however, we believe Omontys is an ideal product for the
dialysis market given the new "bundled" pricing structure. . In addition, the
receipt of a permanent "J code" (taking effect January 1, 2013) from the Centers
for Medicare and Medicaid Services (CMS) should help lubricate reimbursement
conditions and persuade any hold-outs to   make the conversion from Epogen to
Omontys. As sales growth momentum continues, so also should share price
appreciation."

Piper Jaffray upgraded shares of Akamai Technologies (NASDAQ: AKAM) from a
neutral rating to an overweight rating. Piper Jaffray now has a $40.00 price
target on the stock, up previously from $38.00.

Dahlman Rose upgraded shares of AK Steel Holding Co. (NYSE: AKS) from a sell
rating to a hold rating.

Benchmark Co. raised its price target on shares of ARM Holdings plc (NASDAQ:
ARMH) from $35.00 to $42.00. They have a buy rating on the stock.

JMP Securities initiated coverage on shares of AthenaHealth (ATHN). They issued
an outperform rating on the stock and set a $80.00 price target.

Global Hunter Securities initiated coverage on shares of BPZ Resources, Inc.
(BPZ). They issued an accumulate rating on the stock and set a $3.25 price
target.

BMO Capital Markets downgraded shares of Berry Petroleum Comp (BRY) from an
outperform rating to a market perform rating. Their analysts now have a $35.00
price target on the stock, down previously from $40.00.

BMO Capital Markets initiated coverage on shares of Check Point Software (CHKP).
They issued an outperform rating on the stock.

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Source: Equity Brief via Thomson Reuters ONE
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