Stocks making the biggest moves midday: Shake Shack, Charles Schwab, Activision Blizzard and more
People queuing outside Shake Shack in London. Latest Covid-19 lockdown slams UK business owners. SOPA Images | LightRocket | Getty Images Check out the companies making headlines in midday trading. Shake Shack — The fast food chain’s stock jumped more than 6% after the Wall Street Journal reported that activist investor Engaged Capital is planning…