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Movers roundup: Chesapeake, Accretive Health

The Associated Press

Among the stock activity stories for Tuesday, May 29, from AP Business News:

— Chesapeake Energy Corp. shares climbed as some prominent shareholders called for a shake-up in the natural gas giant's board of directors.

— Shares of Accretive Health Inc., which helps hospital systems manage their revenue cycles, rebounded after a Cowen and Co. analyst upgraded the stock saying that many hospitals are still willing to do business with the company despite a recent lawsuit regarding its business practices.