 DALLAS, June 28, 2021 PRNewswire -- COMSovereign Holding Corp. NASDAQ: COMS COMSovereign or the Company, a U.S.-based developer of 4G LTE Advanced and 5G Communication Systems and Solutions, has been added to the Russell Microcap Index effective at the open of trading today, marking the annual Russell U.S. Indexes reconstitution. Membership in the Russell Microcap Index, which remains in place for one year, means automatic inclusion in the appropriate growth and value style indexes. 