BRUN ▲ +4.3% - Boost Run, Inc. $BRUN Boost Run Announces Preliminary Inclusion in the Russell 2000® and Russell 3000® Indexes Boost Run Inc. shares rose 4.3% following the company's announcement of its preliminary inclusion in the Russell 2000® and Russell 3000® indexes, a milestone that typically triggers increased institutional demand as index funds rebalance their portfolios to match the reconstituted indexes. 17-SEP-2026 08:00 AM ET