Lowe's ( LOW) target, estimates improved at Goldman. LOW price target raised to $26. Lowe's 4Q09 results reinforced that momentum is improving. 2010 and 2011 EPS estimates lifted to $1.44 and $1.70, 2012 introduced at $1.95. Maintain Neutral rating. Oil State International ( OIS) target, estimates increased at Goldman. OIS price target raised by $2 to $49. Execution remain solid and early-cycle outlook improving. Estimates raised through 2012. Maintain Neutral rating. TeleTech Holdings ( TTEC) target, estimate tweaked at Citi. TTEC price target raised to $21 from $19. 2010 EPS estimates lowered to $1.26. Good operating margins, poor cash flow. Reiterate Hold. Texas Roadhouse ( TXRH) target, estimates raised at Credit Suisse. TXRH price target raised by a dollar to $16 after strong 4Q09 results. 2010 and 2011 EPS estimates lifted to 79 cents and 88 cents, respectively. Maintain Outperform rating. Xilinx ( XLNX) estimates boosted at Credit Suisse. XLNX estimates raised through 2012 after a positive analysts day. Discussed target model which indicates upside growth. Maintain Neutral rating and $25 price target. XenoPort ( XNPT) target increased, estimates lowered at Goldman. XNPT price target raised by a dollar to $9. Positive data from pancreatic cancer drug but regulatory path remains uncertain. Estimates lowered through 2012. Maintain Neutral rating.