SAN DIEGO--(BUSINESS WIRE)--PURE Bioscience (NASDAQ:PURE) today announced that it has been added to the Russell 3000® and Russell 2000® Indexes, which measure the performance of the largest U.S. companies based on total market capitalization. The Russell 2000 is the smaller 2,000 companies within the larger index. The annual reconstitution of the Russell Indexes occurred on Friday, June 25th.