In reaction to strong earnings/guidance:

MVIS +19.3%, SMTX +17.5%, UWN +17.2%, ZQK +10.2%, OPTM +9.6%, EBS +9.3%, EJ +8.2%, IDIX +7.4%, NSM +7.1%, SWHC +7.0%, COO +6.2%, VVUS +5.2%, ANSW +5.1%, PSMT +4.8%, NSTR +4.6%, CIEN +4.3%, AUO +3.5%, MF +3.3%, CPE +2.8%, DEPO +2.3%, FIZZ +2.0%, IVC +1.3%... M&A news: ATAR +8.1% (receives offer from Infogrames Entertainment S.A equal to $1.68/share)... Other news: SFI +14.4% (co declared regular dividend & is holding business update call), PWER +10.0% (extends $50 mln loan agreement for 2 yrs), VMED +6.3% (appoints Neil Berkett as CEO and announces the upcoming resignation of its Chief Financial Officer), TMS +6.3% (rebounding after this week's ~11% decline), CHU +4.3% (to spend RMB20 bln on GSM update - Pacific Epoch), CMO +3.4% (modestly rebounding after yesterday's ~30% drop), SPC +2.9% (has entered into a confidentiality and standstill agreement with Harbinger Capital), ARRY +2.9% (Director bought 30K shares at $6.37 on 3/5), NFLX +2.2% (announces authorization of new $150 mln stock buyback), ALB +2.1% (to raise prices of ETHACURE curatives), SAP +2.0% (still checking), EGO +1.8% (continued momentum following yesterday's 12% surge), BHI +1.8% (reports Feb 08 rig counts), KNL +1.7% (announces 10b5-1 Plan; Banc of America Securities will have the authority to repurchase up to an aggregate of ~$10 bln worth of the cos stock)... Analyst upgrades: BBI +6.2% (added to Top Picks list at Citigroup), URBN +4.7% (upgraded to Equal Weight at Morgan Stanley), BIG +3.7% (upgraded to Buy at Soleil), GLBL +3.0% (upgraded to Buy at Jefferies), STRA +3.0% (upgraded to Buy at Stifel), CEO +2.7% (hearing upgraded to Buy at tier 1 firm), MKTX +2.5% (upgraded to Neutral from Underperform at Credit Suisse), FLWS +2.3% (initiated with Buy at Soleil), MPG +2.0% (upgraded to Hold from Sell at Deutsche Bank), HITT +1.7% (upgraded to Overweight at Thomas Weisel), EAC +1.2% (hearing added to "America's Buy List" at tier 1 firm), ULTI +1.2% (upgraded to Accumulate at Brean Murray and upgraded to Buy at Broadpoint), SWX +1.0% (upgraded to Buy at Citigroup).