Xanadu Quantum stock surged nearly fivefold in six sessions after NVIDIA's Ising AI models and NVQLink architecture validated photonic quantum computing, making CEO Weedbrook a billionaire.
Technology stocks have become the market's biggest worry in 2026, after powering almost every major index higher throughout 2024 and 2025, Goldman Sachs notes. If you own a broad index fund, the Magnificent 7, or anything with heavy Nasdaq exposure,