RATINGS CHANGES

Alnylam (ALNY) - Get Report was downgraded to equal-weight from overweight at Morgan Stanley. $36 price target, given the failure of Revusiran, Morgan Stanley said. 

Advanced Micro Devices (AMD) - Get Report was initiated with an equal-weight rating at Barclays. $7 price target. It's a valuation call, with shares already up 142% on the year. 

Fifth Third Bank (FITB) - Get Report was downgraded to hold at Jefferies. The valuation is less attractive, based on a $22 price target. 

Gap (GPS) - Get Report was upgraded to hold from sell at Deutsche Bank. $24 price target. The company has a more favorable setup for the near- to medium-term, Deutsche said. 

Blackhawk Network (HAWK) was downgraded to neutral from buy at Bank of America/Merrill Lynch. $34 price target. Conversion to chip-based cards is taking longer than expected, analysts said. 

IberiaBank (IBKC) - Get Report was upgraded to overweight from neutral at Piper Jaffray. $78 price target. Earnings estimates were also upped, given higher expected mortgage growth, Piper said. 

Prudential Bancorp (PBIP) - Get Report was upgraded to buy at TheStreet Ratings. You can view the full analysis from the report here: PBIP.

Range Resources (RRC) - Get Report was upgraded to overweight from neutral at JPMorgan. $46 price target. The stock has lagged by 25% since May and has an attractive, low cost curve, JPMorgan said. 

Twitter (TWTR) - Get Report was upgraded to hold at TheStreet Ratings. You can view the full analysis from the report here: TWTR.

This article was written by a staff member of TheStreet.