The largest stock price changes during the day were seen in Chipotle, PG&E, Marathon Oil, and CarMax.

Check out the companies making headlines in midday trading.

After reporting a beat on revenue but a miss on earnings for the latest quarter, CarMax's shares plummeted 9.5%. The auto retailer earned 98 cents per share, which was below the $1.25 per share consensus estimate.

CrowdStrike's stock price increased by over 3% following Goldman Sachs upgrading it from "neutral" to "buy." The firm highlighted that the company's business has been undervalued recently and that it is well-positioned to capitalize on market demand.

After agreeing to pay $55 million for two fires in Northern California, PG&E's shares rose 3.1%. The company will not face any criminal prosecution as part of the settlement.

Cisco's network technology shares dropped 2%, underperforming the broader market, following Citi's downgrade from neutral to sell. A Citi analyst stated in a client note that Cisco was losing market share to its competitors.

Hewlett Packard Enterprise's stock price decreased by 2.5% following Morgan Stanley's downgrade from equal weight to underweight and prediction of poor performance in the upcoming year.

Chegg's stock price fell 8.4% after KeyBanc Capital Markets lowered its rating from overweight to sector weight. The analysts attributed this change to the company's lower growth in the U.S. during the first quarter.

After Citi initiated coverage of the restaurant chain with a buy rating, shares of the company increased by 1.4%. The firm highlighted Chipotle as a "best-in-class growth leader."

After reporting earnings for the recent quarter, the food retailer's stock sank 8.1%. However, Albertsons beat on revenue and reported earnings of 75 cents per share, 11 cents above consensus estimates.

On Tuesday, energy stocks increased as oil prices surged above $100 a barrel, causing oil stocks, energy stocks, and other related stocks to rise by 4.2%, 3.7%, and 2.1%, respectively.

The reporting for CNBC was done by Jesse Pound, Hannah Miao, Tanaya Macheel, and Sarah Min.