HIGHER AMID CORONAVIRUS FEARS:

• Altimmune (ALT), up 117% after announcing the advancement of a novel single-dose, intranasal vaccine to protect against COVID-19
• Lakeland Industries (LAKE), up 35%, and Alpha Pro Tech (APT), up 44%, amid continued headlines on the ongoing health scare related to the coronavirus. Both make protective gear.
• Zoom Video (ZM), up 4% after heightened travel restrictions inside and outside China due to the ongoing coronavirus outbreak driving increased demand for online video conference calls.

UP AFTER EARNINGS:

• Sangamo (SGMO), up 34%
• AMC Entertainment (AMC), up 8%
• Trade Desk (TTD), up 5%.

DOWN AFTER EARNINGS:

• Wayfair (W), down 14%
• Big Lots (BIG), down 34%
• Beyond Meat (BYND), down 14%
• VMware (VMW), down 8%.

DOWN AFTER DOWNGRADE:

• Chesapeake (CHK), down 9% after MKM Partners analyst John Gerdes downgraded shares to Sell from Neutral and lowered the firm's price target to $0 from $1.