SPHR ▼ -3.9% - Sphere Entertainment Co. $SPHR - The Wizard of Oz at Sphere Unveils New & Expanded 4D Effects Sphere Entertainment shares fell 3.9% today despite the company unveiling new and expanded 4D effects for "The Wizard of Oz" at its Las Vegas venue, suggesting investors may have been disappointed by the limited scope of the announcement or sought to take profits ahead of the holiday period. 31-AUG-2026 03:07 PM ET