Baltimore-based Legg Mason Inc. (LM) experienced a slight increase in its assets under management (AUM) in March on a sequential basis. This was preceded by a modest rise in February and stable AUM in Janaury. Preliminary month-end AUM came in at $677.6 billion, up 0.7% from $672.7 billion at the end of February. Fixed income, [...] (LM) Legg Mason Assets Under Management Rises Marginally