Bank of America (BAC) shares surged on an upgrade from a Stifel Nicolaus analyst who thinks it's poised to outperform other large banks over the next two years. In a research note Monday, the firm said the No. 2 bank by deposits is "under-owned," despite an improved capital position, and a likely dividend increase. The firm notes that declining operating expenses "more than offsets sluggish revenue growth stemming from the continuation of a low