Tesla overtakes giant Ford in market cap

Tesla on Monday became the second-largest US car maker in terms of market capitalization, displacing Ford, whose sales lagged amid concerns about the ability of the US market to keep growing.Many major auto makers reported US sales declines in March compared to a year ago, but Tesla over the weekend said it saw a huge jump in vehicles delivered to consumers in the first three months of the year.Tesla said it delivered 25,000 of its high-tech vehicles in the January-March period -- a 69 percent s