Dell, Twitter, Moderna and more

Find out which companies are making the midday headlines.

Marathon Oil – Shares of the exploration and production company jumped about 7% amid rising oil prices. APA and Occidental each gained more than 6%, and every component of the energy sector traded in the green around noon on Wall Street. West Texas Intermediate crude futures, the benchmark for U.S. oil, rose above $ 70 on Monday.

Virgin Galactic – Virgin Galactic fell 1.3% after the company said it would delay its first commercial research space mission, due to a third-party vendor warning of a potential manufacturing defect of a part used in the flight control system. The flight was scheduled for late September or early October.

Airbnb, Twitter – Airbnb and Twitter fell 2.8% and 3.2%, respectively, after Goldman Sachs launched coverage of the two stocks with sell ratings. Goldman said Twitter would struggle to meet its revenue targets as Airbnb shares continued to be threatened by uncertainty surrounding the travel industry’s recovery.

Tencent Music Entertainment – Tencent Music fell 3% after Loop lowered buy-to-custody stock. The company said it expects there to be a “slow road to sentiment recovery for the industry,” that it sees stronger regulatory headwinds for online media assets and that ‘it prefers to position itself on online retail assets.

Dell – Dell shares gained 3.7% after Goldman Sachs added the computer maker to its conviction buying list. The company’s target price of $ 137 on the stock implies a 44% rise from Dell’s closing price on Friday. “We believe that strong cash flow generation and a clear roadmap to debt repayment continue to argue for a multiple on Dell Standalone closer to the mix,” Goldman said.

Vaccine makers – Pfizer and its partner BioNTech have seen their shares drop more than 2% and 5.5%, respectively, despite a Reuters report on Friday that said their Covid-19 vaccine could be cleared for use in children between 5 and 11 years old as of October. Meanwhile, Moderna shares have fallen more than 4% after a report that Covid booster injections are “not appropriate” at this time, according to data from U.S. and international scientists conclude.

Carlyle Group – Shares of the private equity firm rose 1.7% after it said it was considering a $ 6 billion sale or initial public offering for packaging company Novolex, according to Bloomberg. The private equity firm bought Novolex for an undisclosed amount in November 2016.

– CNBC’s Jesse Pound, Pippa Stevens and Hannah Miao contributed reporting