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










