24/7 Wall St. Closing Bell — February 27, 2013: Markets Climb on Mixed Data, News (LNKD, GOOG, VRSN, GTI, NOK, AWK, EIX, PCLN, FSLR, RRC, WFT, DLTR, JOY, SWC, TGT, CECO, CLR, GRPN, GTAT, JCP, LTD, MNST, RGR, PANL, BKS, CVC, KSS, SHLD, FSLR, ZNGA, AH)
Top Analyst Upgrades and Downgrades (MDRX, BIIB, DRI, FLSR, GOOG, GTI, LNKD, MWE, NOK, OPEN, PKG, PCLN, RSH, VRSN, NCLH)
Using Black Swan and Antifragile Analysis for Tech Stocks (UBS, VMW, CRM, AAPL, FB, LNKD, HPQ, NTAP, FIO, IBM, EMC)