Tesla traded at $301.74 at midday on the Nasdaq exchange and had a market capitalization of $49.1 billion, according to Thomson Reuters data, compared with $51.1 billion for GM, which trades on the New York stock exchange. $ }$ k4 B k6 W $ _% E1 O. ^5 U7 ZTesla的市值491亿, 比GM的市值511亿稍少一些, 是随GM之后北美第二大最值钱的汽车公司。 8 S" r A+ v1 R. E7 L' [按这种发展势头, 是有望成为北美第一大汽车公司。8 Q5 h* j: C9 t$ R( Q5 o, K http://www.cbc.ca/news/business/tesla-gm-ford-1.4054630