The 2024 Democratic National Convention is underway in Chicago. CNBC's Megan Cassella breaks down the first night's key moments, including speeches from President Biden and UAW President Shawn Fain. House Minority Leader Hakeem Jeffries (D-N.Y.) discusses Vice President Harris' economic agenda including her proposal to raise the corporate tax rate to 28%. Meanwhile, the U.S. Open kicks off in just under a week; USTA CEO Lew Sherr previews the action and underscores the rising fandom of tennis in recent years. Plus, Boeing has halted testing of its 777X aircraft after a production snag, and California Governor Gavin Newsom has signed 10 new bills into law, aiming to combat retail crime.

Megan Cassella - 04:10

Gabrielle Fonrouge - 12:04

Rep. Hakeem Jeffries - 18:02

Lew Sherr - 31:20

In this episode:

Megan Cassella, @mmcassella

Gabrielle Fonrouge, @FonrougeGab

Hakeem Jeffries, @RepJeffries

Becky Quick,@BeckyQuick

Joe Kernen, @JoeSquawk

Cameron Costa, @CameronCostaNY