Shares of Pandion Therapeutics soared more than 131 percent in trading after pharma giant Merck announced the acquisition of the autoimmune-focused company for up to $1.85 billion.

Publicly traded companies that have been heavily involved in developing therapies and vaccines for Covid-19 have experienced significant spikes in their stock prices from March 2020 to January 2021, including Germany’s BioNTech, which surged 187% in one year.

Shares of Protalix Biotherapeutics were up in trading after the company announced the Phase III BRIDGE study met key objectives in treating Fabry Disease.

Shares of Mesoblast Limited were down more than 30% in trading following the company’s disappointing announcement regarding a stem-cell therapy trial in ventilator-dependent patients with Covid-19 patients who have moderate-to-severe acute respiratory distress syndrome.

Shares of Axsome Therapeutics were up after the company announced positive long-term results from a Phase III major depressive disorder (MDD) study that sets up potential regulatory approval for AXS-05.

Amgen and AstraZeneca announced that their Phase III NAVIGATOR trial of the potential first-in-class human monoclonal antibody tezepelumab hit the primary endpoint in severe asthma.

Shares of Calliditas Therapeutics soared in trading after the company announced positive Phase III data from a study of Nefecon in IgA nephropatjhy (IgAN), an autoimmune renal disease.

Shares of bluebird bio fell in trading after the company announced that the sickle cell disease gene therapy treatment bb1111 will not be submitted to the U.S. Food and Drug Administration for two more years.

Cerevel Therapeutics began trading on the Nasdaq.

Shares of Gilead Sciences jumped in trading following full approval for Veklury (remdesivir) as a treatment for Covid-19.