A worker is seen wearing a mask while organizing merchandise at a Walmart store, in North Brunswick, New Jersey, July 20, 2020.


Check out the companies making headlines in midday trading. 

Zoom Video — Shares of the video conferencing company rallied more than 40% on the back of better-than-expected results for the previous quarter. Zoom reported earnings of 92 cents per share on revenue of $663.5 million. Analysts polled by Refinitiv expected a profit of 45 cents per share on revenue of $500.5 million. On a year-over-year basis, the company's revenue more than quadrupled. Zoom also raised its earnings guidance for fiscal 2021.