 BENSALEM, Pa., June 25, 2021 GLOBE NEWSWIRE -- StoneMor Inc. NYSE: STON StoneMor today announced that the Company will be added to the Russell 3000 and Russell MicroCap Indexes at the conclusion of the 2021 Russell indexes annual reconstitution, effective after the US market opens on June 28, according to a preliminary list of additions posted June 4. 