Some mutual fund managers with the best performances say they are disinclined to sell their stock holdings — even if the overall market turns down. Today's Stocks & Topics: CXW - CoreCivic Inc., GEO - GEO Group Inc., Individual Bonds, Top Five Nasdaq Companies, Reduce Your Tax Bill, CBI - Chicago Bridge & Iron Co. N.V., AUY - Yamana Gold Inc., TWTR - Twitter Inc., Support & Resistance, MSFT - Microsoft Corp., Banks, OPB - Opus Bank, XAU - PHLX Gold/Silver Index.