By Liz Moyer

Investing.com -- Stocks were rising as investors awaited the outcome of the midterm elections, and the answer to which party will control Congress. Here are the midday movers for Nov. 7:

• Walgreens Boots Alliance Inc (NASDAQ: WBA) stock rose 4% after the drug store chain announced plans to buy Summit Health for about $9 billion, in a bid to grow its VillageMD primary care services by adding Summit's CityMD urgent care centers.

• BioNTech SE (NASDAQ: BNTX) stock rose 2.4% after it beat expectations for earnings and revenue and raised the lower end of its full-year outlook for revenue from sales of its Covid-19 vaccine, to $16 billion from $13 billion.

• Viatris Inc (NASDAQ: VTRS) stock rose 16% after the company formed by the merger of Mylan and Upjohn announced two deals to expand its eyecare business. It fell short of estimates for revenue in the recent quarter.

• Meta Platforms Inc (NASDAQ: META) shares rose 4.3% after a report that the social media platform is getting ready to announce the first large-scale layoffs in its nearly two-decade history.

• Apple Inc (NASDAQ: AAPL) stock was down 0.7% after it said Covid-19 restrictions in China were interfering with the production of its iPhones, as the holiday shopping season is under full swing.