ALRM - YELP LXRX among premarket gainers August, 09 2019 09:13 AM Alarm.com Holdings Inc. Arcadia Biosciences (NASDAQ:RKDA) +62% on USDA OK of drought-tolerant soybean strain.More news on: Arcadia Biosciences, Inc., Puma Biotechnology, Inc., Callaway Golf Company, Stocks on the move, Read more ...