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A report examined how advice Warren Buffett gave to General Motors' CEO reportedly backfired for Berkshire Hathaway's investment in the automaker, even though GM's stock has since tripled. The piece frames the episode as a cautionary tale about following even well-regarded investment guidance without independent scrutiny. The report did not detail a new corporate action but revisited the historical decision as a lesson for investors, noting the gap between Buffett's reputation and the specific outcome of this particular recommendation.