Some talk of the death of 'buy & hold' investing. It's still alive and well, but does need some care and feeding.Today's Stocks & Topics: GSK - GlaxoSmithKline PLC ADS, IBM - International Business Machines Corp., M&A - Mergers and Acquisitions, ISRG - Intuitive Surgical Inc., 401k, Life Insurance, BP - BP PLC ADS.