CNBC.com's MacKenzie Sigalos brings you the day's top business news headlines. On today's show, a former FTC attorney reflects on the flurry of antitrust cases against tech companies like Google and Facebook and looks ahead to more action in 2021. Plus, CNBC's Frank Holland explains how the pandemic has not only shifted consumer behavior when it comes to shopping, but also returning unwanted gifts.

00:00 -- Intro
0:37 -- Stocks close at record highs
2:14 -- More tech scrutiny expected in 2021
5:11 -- CNBC Soundcheck
6:43 -- Outsized returns
8:23 -- Numbers Round