Electric utility Southern California Edison Co., a unit of Edison International ( EIX ), recently took steps to reduce or eliminate two series of preferred stock that offered, or soon would offer, attractive floating dividend rates.I am a 35-year stock market investor, MBA, and retired reporter and editor for the San Francisco Chronicle. My primary style is a mix of growth and income, with attention to special situations.Analyst’s Disclosure:I/we have a beneficial long position in the shares of SCE.PR.K, SC ...