Tesla Stock Surges As Investors Anticipate Entry Into S&P 500

Tesla's stock has surged since in the past two weeks, ahead of an earnings report that may indicate the company has been profitable for a full year. Chinese sales have buoyed the company even as demand slackened in the U.S.

If Tesla reports another profitable quarter, it would be admitted into the S&P 500 for the first time — a milestone that investors are eager for it to achieve.

Business analyst Roben Farzad, host of Public Radio's Full Disclosure, digs into the latest on the electric car manufacturer.