People walk by a Dollar Tree store in the Brooklyn borough of New York City, December 11, 2018.
Spencer Platt | Getty Images News | Getty Images

Check out the companies making headlines in midday trading.

Amazonsuing Amazon over allegations of deceptively pushing customers to sign up for Prime and frustrating them in their efforts to cancel.

FedEx

CoinbaseRiot Platforms

MicroStrategy

Tesladowngrade to equal weight from overweight by Barclays. The firm said it may be time to take profits after recent outperformance. Rivianthe company said customers would have access to Tesla’s charging network beginning next year.

GlaxoSmithKline

Petrobrasupgraded them to buy. The Wall Street bank said the company still has an attractive valuation, and mitigated risks make the stock still worth buying despite its recent outperformance.

OneSpaWorld

Walt Disney Company

Advanced Micro Devices

Palantir Technologies

Dollar Tree

— CNBC’s Yun Li, Michelle Fox, Jesse Pound, Sarah Min and Brian Evans contributed reporting.

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