Tesla Just Passed GM to Become America’s Most Valuable Carmaker

Elon Musk’s Tesla Inc. surpassed General Motors Co. to become America’s most valuable carmaker, eclipsing a company whose well-being was once viewed as interdependent with the nation’s.

A week after topping Ford Motor Co., Tesla climbed 3.3 percent Monday, lifting its market capitalization to $50.9 billion. The electric-car maker ended the day valued at about $64 million more than GM. Musk’s company is now within $1 billion of Honda Motor Co. and cracking the top-five automakers worldwide.  Read more.