In reaction to strong earnings/guidance/same store sales:

UFPT +19.7%, SMSI +18.4%, CHIP +17.5%, DXPE +9.9%, FLOW +8.8%, BBI +8.6%, MATK +7.5%, SNUS +7.5%, OWW +7.4%, CMTL +6.8%, SONS +6.2%, URBN +6.0%, LVB +5.7%, ACUR +5.4%, SMRT +5.0%, PSUN +4.9%, HRB +4.4%, FINL +4.1%, HRS +4.1%, CTR +3.9%, TIVO +3.8%, AUO +2.6%, rad +2.5%, MELI +2.5%, SHMR +2.5%, JWN +2.2%, ADCT +1.8%, PLCE +1.7%, ROST +1.6%, WMT +1.3%, ANIK +1.3%... Select gold and mining stocks showing strength, despite lower spot prices, with reports that South Africa will raise mines' power supply to 95%: GFI + 3.0% , HMY + 3.0% , BHP + 2.4% , RTP + 1.8% , LMC + 1.7% , GOLD + 1.2%... Other news: EXAS +65.1% (says updated screening guidelines of the American Cancer Society include new DNA technology for detecting colorectal cancer), OPTM +43.1% (still checking), EPCT +20.7% (earns milestone payment due to progress in Phase II trial for Azixa in melanoma metastases), TSRA +11.8% (addresses "mischaracterizations of patent validity and legal process"; Cowen makes positive comments), THRX +11.1% (FDA accepts for review THRX's complete response to approvable letter for Telavancin for the treatment of complicated skin and skin structure infections), PBT +4.6% (Cramer makes positive comments on MadMoney), RHD +4.1% (modestly rebounding after making new 52 week low yesterday), SHPGY +1.6% (still checking), INAP +1.5% (SoftLayer signs 5-year $40 mln contract with Internap to expand on-demand hosting platform across the United States), BHI +1.3% (discloses it starts a $500 mln commercial paper program), MOT +1.1% (Carl Icahn discloses increased stake of 6.3%, up from 5.0% prior stake), TASR +1.1% (receives two law enforcement orders; Suffolk County Police Dept and North Dakota Highway Patrol purchase TASER devices )... Analyst upgrades: MDR +3.8% (upgraded to Buy at Citigroup), ORCL +2.2% (upgraded to Buy at Merrill), FLR +1.9% (upgraded to Buy at Citigroup), DISH +1.3% (upgraded to Neutral at Credit Suisse), ENDP +1.0% (upgraded to Buy at Roth Capital).