B. Riley Principal Merger Corp. II Announces the Separate Trading of its Common Stock and Warrants, Commencing June 3, 2020 – Stockhouse / Cdn Warrant News, Common Stock Warrants / By https://commonstockwarrants.com B. Riley Principal Merger Corp. II Announces the Separate Trading of its Common Stock and Warrants, Commencing June 3, 2020 Stockhouse