Check out the companies making headlines midday:
JetBlue Airways — Shares of the airliner rose 1.2% after an analyst at Deutsche Bank named JetBlue a "catalyst call"short-term investment idea. The analyst cited JetBlue's "good" balance sheet and "solid" market position, in addition to having controlled costs and primarily operating domestically.
Monster Beverage — Monster Energy rose 2.7% on Wednesday after Credit Suisse named the beverage stock one of its top picks. The analysts cited the recent slide for the stock, which is down more than 14% since recent highs in July, as a reason for the designation. Credit Suisse has an overperform rating on Monster and expects its revenue to grow by 10% this year.
Papa John's — Papa John's shares climbed 5% after an analyst at Stifel upgraded them to buy from hold following the announcement that Rob Lynch will take over as CEO. "We believe the CEO change represents a tactical opportunity for investors giving them time to weigh the results of the turnaround," the analyst said.
Autodesk — Shares of Autodesk dropped 6.7% after the software maker cut its full-year earnings and revenue outlook, citing currency headwinds and uncertainty around the U.K., German and Chinese manufacturing markets.
Tallgrass Energy — Shares of Tallgrass Energy soared more than 35% after Blackstone offered to take the company private. The investment firm, which already owns 44% of the outstanding equity of the Kansas-based energy company, offered to pay $19.50 per share in cash for the company. Shares are now trading near this offer price.
Hewlett Packard Enterprise — HPE shares gained 3.4% after the enterprise tech company reported earnings per share that topped analyst expectations. The company posted a profit of 45 cents per share, topping a Refinitiv estimate of 40 cents. HPE also raised its full-year earnings guidance. CEO Antonio Neri said the company "improved both gross and operating margins."
Syneos Health — Shares of the biopharmaceutical solutions company gained 4.9% after announcing the Securities and Exchange Commission concluded an investigation into Syneos' accounting policies and internal controls and will not recommend enforcement action against the company.
—CNBC's Elizabeth Myong and Jesse Pound contributed to this report.