Micron, Alibaba, Diamondback Energy and more

Find out which companies are in the midday headlines.

Micron – Micron shares jumped more than 6% after a Citi analyst upgraded the chipmaker to buy or sell, citing favorable supply and demand prospects.

Alibaba – Shares of the Chinese e-commerce giant jumped more than 4% after CNBC’s David Faber announced billionaire founder Jack Ma was not absent and was just low for now. There had been speculation about Ma’s disappearance after her group Ant saw its record-breaking IPO suspended by the Shanghai and Hong Kong stock exchanges. Ma was last seen at a public event in October.

JD.com – Shares of the Chinese e-commerce giant rose more than 9% after a Stifel analyst upgraded them to buy on hold. “JD.com remains one of the leading e-commerce platforms in China with a number of secular growth trends to support healthy long-term growth and continued expansion of margins,” the analyst said.

China Telecom, China Mobile, China Unicom – Shares of the three Chinese telecommunications giants erupted after the New York Stock Exchange announced that it no longer plans to remove the shares from their stock exchange. China Telecom and China Mobile shares rose more than 9% each. China Unicom shares rose more than 14%.

Diamondback Energy, Exxon Mobil, Chevron – Shares of the oil and energy giants rose on Tuesday after futures on US crude West Texas Intermediate, the benchmark for US oil, broke the benchmark. $ 50 for the first time since February. Diamondback Energy shares jumped 10%. Exxon Mobil and Chevron gained 5% and 3% respectively.

First Solar – Shares of the solar company fell more than 9% after Goldman Sachs downgraded the stock to sell buy. The Wall Street firm said profits and revenues had already peaked for this cycle.

Roku – Roku shares gained nearly 4% after Wells Fargo raised its price target on the streaming media company to a high of $ 414 from $ 275. The bank said there was a big lead for Roku’s growth amid a push towards monetizable video-on-demand content. The new price target would result in a 25% rally over the next 12 months.

Uber – Shares of the racing giant are up nearly 3% after Needham named Uber among the top picks. The Wall Street firm said the Covid-19 takeover was not fully factored into Uber’s action.

Papa John’s International – Shares of the pizza chain rose 2.7% after investment firm Longbow named the stock as first choice. The company said in a note to customers that it was optimistic about new products in the company’s pipelines and internal improvements implemented by the relatively new management team.

Coca-Cola – Beverages inventory slipped just under 1% after Guggenheim downgraded Coca-Cola to neutral on buy. The investment company said in a note to clients that the company is going through a year of “transition” and that its shares are reasonably priced.

– with reporting from CNBC’s Yun Li, Jesse Pound and Pippa Stevens.