Stocks making the biggest moves midday: Moderna, Lululemon, GameStop and more

Moderna's sign can be seen outside their Cambridge headquarters on March 11, 2021.
Take a look at the top mid-day traders.

Moderna shares rose by more than 7 percent after the drugmaker announced it was developing a booster shot for vaccines that can protect against the seasonal flu and Covid-19. According to a press release, the new vaccine, called mRNA-1073 by Moderna, combines Moderna’s existing Covid vaccine with a flu shot, which is also in development.

Lululemon, the athleisure brand, saw a 12% jump and reached an all-time record after reporting strong second quarter earnings. The company said that it is on track to surpass its 2023 revenue target and was well ahead of schedule. This company has performed better than other retailers in the pandemic, and it is expected to continue doing so even as more people return to work.

GameStop shares fell 2.7% despite the retailer posting a smaller loss than the year before and increasing sales. Wall Street analysts were disappointed that the retailer did not provide any details about its upcoming quarters or an outlook on the company's e-commerce transformation. Reddit traders still love the meme stock, which is up more than 900% for this year.

Boston Beer shares fell over 4% following Wednesday's announcement of its earnings guidance. This was due to a slowdown of Truly sales. This development occurred just weeks after Truly's poor sales led to the company reducing its full-year forecast.

RH shares of the furniture retailer rose nearly 8% following beating its top and bottom line quarterly results. According to Refinitiv, RH earned $8.48 per stock, exceeding estimates of $6.48. The revenue came in at $988.8million, which was higher than the expectations of $975.4 millions.

Caesars Entertainment Caesars shares rose 3% following the announcement that it would sell non-U.S. assets from its William Hill sports betting unit, to British gambling company 888 Holdings. The deal is valued at approximately 2.2 billion pounds or about $3 billion.

NetEase Chinese regulators called NetEase, and other gaming companies, to remind them about restrictions on games for children. NetEase shares fell 2.7%

Analog Devices Analog Devices shares rose 2.8% following the announcement that Maxim Integrated Products, a rival chip manufacturer, was being acquired by Analog Devices. Adjusted earnings are expected to be added in twelve months. This is six months earlier than originally expected. Analog Devices stated that it expected the acquisition to be equal to adjusted earnings in fiscal 2022.

Macy's shares gained 1.5% following Cowen's upgrade to the stock to an "outperform" rating. Cowen said that the stock could jump nearly 30%. The firm cited the retailer's digital push as well as product innovation, pricing management and pricing management as factors that could drive upside. Macy's shares have almost doubled in this year.

Ford shares fell 1.4% following Ford's announcement that it would stop vehicle production in India. This decision will cost about $2 billion. About 4,000 people will lose their jobs as a result of the company closing two large plants in India.

Blade Air Mobility shares rose by 15% following JPMorgan's prediction that the aerial ride-sharing company would be the Uber of the sky. Blade is expected to rally by 80% and the aerial ride-sharing market could grow to tens of trillions of dollars in a decade, according to JPMorgan.

Leslie's shares rose 2.6% following Stifel's coverage of the stock pool stock. According to Stifel, the stock is undervalued at the moment as Leslie's plans to "build upon" its market share in the spa and pool market.

Reporting by CNBC's Pippa Stephens, Yun Li and Maggie Fitzgerald