The main item of business before JP Morgan Chase’s annual shareholder meeting, which will convene today in Tampa, is whether JPM CEO Jamie Dimon will be stripped of his additional post as chairman of JPM’s board of directors. A range of institutional investors concerned about the over-concentration of power atop the nation’s most powerful institutions, and upset by the $6 billion loss JPM took last year at its London trading desk, won roughly 40 percent shareholder support last year to separate the two positions. This year, they hope to do better, even though the bank’s public-relations offensive on Dimon’s behalf has made the prospect of winning a majority more difficult.

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