CNBC.com's MacKenzie Sigalos brings you the day's top business news headlines. Stanford climate scientist Noah Diffenbaugh joins After Hours today to explain why the major wildfires burning through the west coast are more bigger in 2020 than in the past. Plus, CNBC's Kate Rooney reports on the consistent popularity of online trading through brokerages like Robinhood.

00:00 - Intro
0:34 - 01:14 ? Market check
1:15 - 2:49 ? Retail trading trends
2:50 - 6:46 ? CNBC Soundcheck
6:47 - 10:19 ? West Coast Wildfires
10:20 - 12:27 ? Numbers Round
12:28 ? Get The Latest

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