 SAN ANTONIO, July 07, 2021 GLOBE NEWSWIRE -- Rush Enterprises, Inc., NASDAQ: RUSHA RUSHB, which operates the largest network of commercial vehicle dealerships in North America will host a conference call to discuss earnings for the second quarter of 2021 on Wednesday, July 21, 2021 at 10:00 a.m. Eastern9:00 a.m. Central. Earnings will be reported after the close of market on Tuesday, July 20, 2021. 