David Marcus of  Evermore Global Advisors said investors need to be pruning and enhancing their portfolio during times like these -- when markets are shifting and corporate fortunes are changing quickly -- to maintain a portfolio of investments they love, rather than settling just for things they like. Owning investments you love lets you stick with them through tough times in the market. Also on the show, Terry Jones of Investor's Business Daily discusses investors' flagging level of optimism, we rebroadcast a recent Collective Wisdom segment focused on market volatility and Chuck discusses what investors should remember about the reign of bond king Bill Gross, who just announced his impending retirement