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SAN FRANCISCO — Calpine Corp.’s convoluted descent into bankruptcy, culminating in a Chapter 11 filing late Tuesday night, began when the futu…

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SAN FRANCISCO — The New York Stock Exchange said Monday it plans to delist Calpine Corp. in a move reflecting Wall Street’s dismay as the debt…

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SAN FRANCISCO — Power merchant Calpine Corp. said Tuesday that it has replaced its longtime chief executive as well as its chief financial off…