Financial ratings wrap-up: Rogers, Ericsson, Syniverse and more

The following list includes ratings changes and financial information for wireless companies announced this week by investment-banking and financial-services firms.
Carrier
–Standard & Poor’s Ratings Services revised its outlook on Rogers Communications to positive from stable and affirmed its BBB- corporate credit rating on the company on an improving business risk profile.
Handset and infrastructure vendors
–Credit Suisse First Boston cut its estimates on Ericsson following Sony Ericsson’s profit warnings.
Other
–Goldman Sachs upgraded Powerwave to buy from neutral, saying the Street is underestimating the company’s revenue opportunity.
–McAdams Wright Ragen downgraded F5 Networks to hold from buy and maintained its $32 price target on valuation.
–RBC Capital Markets started coverage on Broadcom with an outperform rating and a $36 price target.
–Lehman Brothers raised its price target on Qualcomm to $55 from $52 on solid 3G trends and smartphone market ramps despite overall handset market concerns.
–R.W. Baird downgraded Syniverse Holdings to neutral from outperform on the potential impact of the announced Verizon-Alltel merger. “Despite the current strong organic growth trends, we believe the full impact could be greater than many expect.” Baird also lowered its price target on the company to $19 from $22 and reduced its 2009 EPS estimate to $1.30 from $1.39.