Financial ratings wrap-up: Leap, Motorola, Samsung 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
–Goldman Sachs adjusted its estimates on Leap Wireless to 63 cents from 49 cents for 2007; $1.10 from $1.11 for 2008; $4.91 from $3.71 for 2009 and $5.49 from $4.43 for 2010.
Handset and infrastructure vendors
–Credit Suisse First Boston lowered its estimates on Motorola Inc. on continued challenges in the handset business and a more gradual recovery for the company. New estimates are 33 cents, down from 41 cents for 2007 and $1, down from $1.05, for 2008.
–Credit Suisse First Boston lowered its estimates on Samsung Electronics on lower second-quarter expectations.
Other
–Morgan Stanley upgraded Crown Castle Corp. to overweight from equal weight on a positive outlook for the tower industry.
–First Albany Capital upgraded Ceragon Networks to strong buy from buy and raised its price target to $13 from $8.25 based on the company’s strong OEM relationship with Nokia Siemens and a growing trend toward carrier use of microwave for backhaul. First Albany also raised its estimates on the company to 58 cents and $175.8 million from 51 cents and $162.4 million for 2008.
–Avondale Partners raised its price target on Novatel Wireless Inc. to $25 from $20 after the company raised its guidance for the second quarter.
–RBC Capital Markets raised its price target on Sierra Wireless to $27 from $24 on expectations for continued improvements.