Disco Shares Soar Most Since April on Booming AI Chip Demand

Bloomberg Disco Corp. shares jumped as much as 15% after the supplier of chipmaking tools reported better-than-expected quarterly earnings on surging demand for AI-related hardware. The maker of grinders and dicers that shape and cut silicon wafers into individual semiconductors earned operating income of ¥47.3 billion ($299 million) in the December quarter, beating the average of analyst estimates of ¥39.3 billion. Given the Tokyo-based company is known for its conservative outlook, investors largely di ...