AMC Entertainment shares fell 9% to $2.73 as movie theater stocks sold off broadly, making AMC the hardest-hit exhibitor. IMAX declined 4% to $52.61 and Cinemark Holdings dropped 3% to $36.28, while the SPDR S&P 500 ETF Trust was practically unchanged at $762.34. The divergence suggests the pressure was concentrated in the cinema sector rather than the broader equities market. No verified company announcement from AMC was cited, leaving sector positioning and a reversal of the recovery trade as the clearest drivers. AMC's Q2 2026 results had supported that recovery case, with attendance up 13.5% year over year and adjusted EBITDA (adjusted earnings before interest, taxes, depreciation and amortization) up 69.6%. Investors are also watching the upcoming slate, including Dune: Part Three and Avengers: Doomsday, as well as AMC's next quarterly update and the seasonal pattern of its cash generation.