NEW YORK : A lawsuit accusing Elon Musk of rigging dogecoin is ending. Investors in the cryptocurrency who said the world's richest person and his electric car company Tesla committed fraud and insider trading are withdrawing their appeal from an Aug. 29 dismissal of their case. They are also withdrawing a bid to sanction Musk's lawyers for allegedly interfering with the appeal, including by demanding payment of their hefty legal fees. Musk and Tesla, meanwhile, withdrew their motion to