Shares of Predictive Oncology Inc. POAI surged 9.1% after the company announced launch of new AI platform for vaccine and drug development which targets coronavirus, SARS and MERS.Shares of Alpha Pro Tech, Ltd. APT gained 10% after the company reported it has booked orders worth $22.6 million for its N-95 mask from Jan 27-Mar 11.Shares of Aquestive Therapeutics, Inc. AQST lost 34.7% after the company reported Q4 earnings loss of $0.48 per share against the Zacks Consensus Estimate of a loss of $0.45.Shares of Del Taco Restaurants, Inc. TACO declined 18.8% after the company reported revenues of $157.10 million for Q4 2019, missing the Zacks Consensus Estimate by 0.14%.Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Alpha Pro Tech, Ltd. (APT): Get Free Report Del Taco Restaurants, Inc. (TACO): Free Stock Analysis Report Aquestive Therapeutics, Inc. (AQST): Free Stock Analysis Report PRECISION THERAPEUTICS INC. (POAI): Get Free Report To read this article on Zacks.com click here. Zacks Investment Research