Wall Street set for another strong open

7:09 AM ET Fri, 21 Sept 2018

Richard Bernstein, Richard Bernstein Advisors CEO and CIO, and Jodie Gunzberg, managing director and head of U.S. equities at S&P Dow Jones Indices, joins 'Squawk Box' to discuss what's behind the S&P shifting Alphabet, Facebook, Twitter, Paypal, Electronic Arts and Activision Blizzard from the S&P 500 technology index to "Communication Services". They also look at what's driving the economy.