Jack in the Box (NASDAQ:JACK) pops after Russell Microcap move triggers squeeze
Jack in the Box Inc. gained 9.22% to $18.13 in premarket trade at 9:05 a.m. EDT, just before the Nasdaq's regular 9:30 a.m. to 4 p.m. hours. JACK jumped 20.20% Monday. Nasdaq’s 2026 holiday calendar leaves out June 30.