Wall Street Breakfast November 20: Mammoth Merger On Tap As S&P Global Nears $44B Deal For IHS Markit

Our top stories today: Mammoth merger on tap as S&P Global nears $44B deal with IHS Markit; Shopify sets records for its Black Friday sales, topping $2.4 billion; and Airbnb and DoorDash target higher-than-expected valuations ahead of IPOs.Learn more about your ad choices. Visit megaphone.fm/adchoices