SiRF Tech (NASDAQ: SIRF) is recently down $6.41 to $9.86 in pre-open trading.

Soleil says: "Weak Q4 results & Q1 guidance; lowering to Hold; Best outcome a takeout." Bank of America says: "Material degradation to the earnings power implies further downside risk to the stock."

SIRF develops and markets semiconductor and software products designed to enable location-awareness.

SIRF overall option implied volatility of 73 is above its 26-week average of 59 according to Track Data, suggesting larger price movement.

Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com

Option update 2-5-08: SiRF Tech volatility elevated originally appeared on BloggingStocks on Tue, 05 Feb 2008 09:10:00 EST. Please see our terms for use of feeds.

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Analyst initiations 5-01-07: CACH, CHS, JPM and SIRF originally appeared on BloggingStocks on Tue, 01 May 2007 11:19:00 EST. Please see our terms for use of feeds.