Soitec shares surge 521.6% in 2026; banks issue verdicts

Soitec, a European semiconductor materials company, has seen its stock rise 521.6% in 2026, prompting investment banks to release new ratings. The surge reflects strong demand for its silicon-on-insulator (SOI) wafers used in AI and 5G chips, but the extreme move raises valuation concerns. The market is now watching for analyst consensus and potential profit-taking.