Tom Dinsmore, chairman and chief executive at Dinsmore Capital Management, which manages the 50-year-old Bancroft Fund and several other issues that specialize in convertible securities, says that investors looking to increase yields with a 'bond-like equity' will be hard-pressed to create a portfolio of currently available convertible issues that do the job. He notes that many new convertible issues -- coming from health-care and technology companies -- require the underlying common stock to do well, and don't carry big coupons, so that investors should use them as a lower-volatility equity alternative.