Pedestrians walk past a Walgreens store in New York.
Michael Nagle | Bloomberg | Getty Images
Check out the companies making headlines in midday trading.
Didi — Shares of the Chinese ride hailing company surged almost 16% in their second day of trading, rising back above $16 per share. The stock had a muted session on Wednesday after its initial public offering, posting a gain of 1% from its IPO price and closing below its opening price.
CureVac — The German drugmaker’s stock fell 7.6% as final study analysis showed its Covid-19 vaccine is just 48% effective. An initial assessment two weeks ago showed 47% effectiveness.
Walgreens — Shares of the drugstore chain dropped 7.4% even…