NBY - NovaBay rallies on availability at Walmart.com August, 18 2020 07:50 AM NovaBay Pharmaceuticals Inc. NovaBay Pharmaceuticals (NYSEMKT:NBY) surges 36% premarket on the launch of Avenova on Walmart.com.More news on: NovaBay Pharmaceuticals, Inc., Healthcare stocks news, Stocks on the move, Read more ...