The exterior of the headquarters of biotechnology company Biogen in Cambridge, MA is pictured on March 21, 2019.

Check out the companies making headlines in midday trading. 

Uber, Lyft — Shares of the ridehailing companies jumped 13.3% and 12.8%, respectively, after early voting projections suggest that Californians have decided both companies should be exempt from a labor law that aimed to make drivers employees instead of contractors.