ProShares UltraPro QQQ (TQQQ) Stock: Latest News, Price Action, Nasdaq-100 Rebalance and 2026 Outlook (December 14, 2025)
Updated: Sunday, December 14, 2025 ProShares UltraPro QQQ (NASDAQ: TQQQ) — the triple‑leveraged ETF designed to target 3x the daily performance of the Nasdaq‑100 — is back in the spotlight heading into a data-heavy week, after a sharp late‑week tech