Guangzhou Automobile says any investment in Nio would not exceed $150 million

(Reuters) - Chinese automaker Guangzhou Automobile Group Co Ltd said on Thursday that while it was early talks with Tesla challenger Nio Inc about a financing proposal, any potential investment would not exceed $150 million (115.01 million pounds).The U.S.-listed electric car startup, which last month flagged an urgent need for more funding, said on Wednesday it was exploring financing and strategic opportunities with Guangzhou Automobile (GAC Group).Nio did not specify the size of the..