Finance

Market Insider Check out the companies making the biggest moves premarket: Intuitive Surgical — The medical robotics stock slid 6% as the company's third-quarter results failed to impress investors. Intuitive Surgical earned $3 per share, excluding certain items, on revenue of $3.05 billion. SpaceX — Shares gained 8%

Fueled by the global boom in artificial intelligence stocks, relaxed capital rules and greater lending to hedge funds, big Wall Street banks have already had a banner year for equities trading — even with one quarter left to go. The five biggest investment banks have generated about $67 billion in equities