IBRX is trading 4.6% up now at $7.66, driven by retail trader speculation regarding its potential inclusion in the Russell 1000 Index. * With a market cap of around $7.67 billion, traders are betting IBRX could graduate from the Russell 2000 into the Russell 1000 during Friday's reconstitution, triggering index-fund buying. * This follows prior volatility tied to an FDA-related securities lawsuit and class action headlines earlier in 2026.