Warren Buffett steps down as Berkshire Hathaway chairman

Influential billionaire investor Warren Buffett will step down as chairman of Berkshire Hathaway, the conglomerate announced Friday.The news brings to an end the revered investor’s more than half-a-century of running the group, which he turned into a financial behemoth.Buffett’s resignation is “effective immediately” and he will remain a member of the board of directors, Berkshire Hathaway said in a statement.Buffett’s son Howard Buffett will take over as chairman,