MOST NOTEWORTHY: Sierra Wireless, Navteq, Goldleaf Financial, Infineon and VeriSign were today's noteworthy downgrades:
- Piper downgraded shares of Sierra Wireless (NASDAQ: SWIR) to Market Perform from Outperform to reflect increasing competition for the company's core businesses and longer term margin concerns. Based on comments from Qualcomm (NASDAQ: QCOM), Piper believes the new Gobi embedded solution is gaining more traction than previously anticipated.
- The firm also downgraded Navteq (NYSE: NVT) to Market Perform from Outperform as they believe the Nokia (NYSE: NOK) acquisition will close.
- Credit Suisse lowered its rating on Goldleaf Financial (NASDAQ: GFSI) to Market Perform from Outperform following its weak Q3 report and guidance.
- ABN Amro downgraded shares of Infineon (NYSE: IFX) to Hold from Buy as they believe the strength of the euro will hurt margins.
- VeriSign (NASDAQ: VRSN) was downgraded to Hold from Buy at Hambrecht to reflect the uncertainty surrounding the company's numerous divestitures as well as the execution risk.
OTHER DOWNGRADES:
J. Crew earnings preview: A strong Q3 all buttoned up?
Twitter to make acquisitions, generate revenue in 2010
Cramer on BloggingStocks: The Fed's push for TARP payback 
