CAMT - NUVA and NGL among premarket gainers February, 11 2019 09:26 AM Camtek Ltd. Avalon GloboCare (OTCQB:AVCO) +23% on announcing breakthrough in identifying human angiogenic exosomes/extracellular vesicles. More news on: Avalon GloboCare Corp., NuVasive, Inc., Camtek Ltd., Stocks on the move, Read more ...