Yahoo Finance·2025-11-12 08:51Core Insights - Artificial intelligence (AI) has significantly contributed to the rally of Wall Street's major stock indexes, reaching new all-time highs in 2025, driven by its long-term use cases and vast addressable market [2] - Quantum computing is emerging as a major player, with stocks in this sector showing extraordinary returns, ranging from 260% to 2,710% over the trailing 12 months [3][8] - Despite the hype surrounding quantum computing, insiders of leading quantum stocks have been selling their shares, indicating a cautious outlook [8] Quantum Computing Industry - Quantum computers leverage quantum mechanics to perform complex calculations that traditional computers cannot, potentially enhancing various applications such as weather forecasting and drug development [6] - The global economic value of quantum computing is projected to reach between $450 billion and $850 billion by 2040, although this is significantly smaller than the $15.7 trillion opportunity for AI [7] - Major tech companies like Amazon and Microsoft are integrating quantum computing into their cloud services, providing practical applications and access to quantum hardware for their subscribers [7]