In reaction to strong earnings/guidance:

ANTP +32.5%, ETN +5.8%, GWW +4.4%, ALO +1.0%, FII +1.0%... M&A news: CC +55.1% (BBI proposes to acquire Circuit City for at least $6.00/share in cash), CLAY +22.4% (to be acquired by Greenfield Partners for $6.00/share in cash)... Other news: AGIX +41.7% (announces "encouraging interim results" from Phase 3 clinical trial of AGI-1067 in type 2 diabetes), AAI +26.6% (updates financial information in response to Friday's market activity; also upgraded to Add at Calyon), INGN +12.1% (announces that ADVEXIN Ph. III clinical trial data in patients with recurrent head and neck cancer confirm earlier Ph. II results of ADVEXIN efficacy), NTRI +7.5% (will replace FRNT in the S&P SmallCap 600 after the close on 4/15), NWA +5.8% and DAL +5.4% (aims to unveil NWA merger pact), TSL +2.6% (discontinues development of polysilicon production facility), AMR +2.0% (rebounding modestly; announced plan to be back to a full, normal schedule on Sunday), PTEC +1.9% (says profit to grow 'immediately'; purchase will boost profit, to raise forecast April 22- Bloomberg), CETV +1.5% (Cramer makes positive comments on MadMoney), VLO +1.3% (mentioned positively in Barron's), PRGO +1.2% (announces approval for over-the-counter children's Cetirizine oral solution), REP +1.1% (CNPC interested in Repsol assets - South Morning China Post)... Analyst upgrades: PETM +1.5% (upgraded to Buy at BofA), EV +1.2% (upgraded to Neutral at JPMorgan).