Stocks making the biggest moves midday: Apple, 3M, Walgreens, Moderna, Urban Outfitters and more

These are the stocks posting the largest moves in midday trading.

Stocks making the biggest moves premarket: AAPL, QRVO, MMM, ROKU

Check out the companies making headlines before the bell. Apple — Shares slipped nearly 2% after Jefferies downgraded the iPhone maker to an underperform rating from hold. Analyst Edison Lee…