Tesla Set To Join S&P 500 In Largest Rebalancing Of Stock Index's History

Wall Street is anticipating a busy afternoon of trading Friday ahead of Tesla's entry into the S&P 500. The electric car maker is set to join the S&P 500 on Monday in a historic rebalancing of the stock index.

Here & Now's Lisa Mullins speaks with Mike Regan, senior editor for Bloomberg News, about what Tesla's addition to the S&P 500 means for the markets.