GM, Bosch stick with Nikola alliances despite Milton's exit

General Motors Coand Germany's Bosch said on Monday they were sticking to their alliances with Nikola Corpafter the executive chairman of the electric and fuel cell truck startup stepped down amid allegations of fraud.Nikola founder Trevor Milton, whose company become a darling of the stock market over the summer, resigned as executive chairman on Monday following accusations by short-seller Hindenburg Research on Sept. 10 that he made false claims about Nikola's technology.Milton has fought bac