SUMCF Sumco Corporation
Company Analysis
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Sumco's Beat-and-Raise Quarter Lifts Shares — But Can a Silicon Wafer Maker Sustain Momentum in a Choppy Chip Market?
Reports emerged that Sumco Corporation, one of the world's largest producers of silicon wafers used to manufacture semiconductors, posted second-quarter...
🟢 Sumco is trading 11% up today amid above-forecast Q2 sales and profit
Sumco is trading at $16.69, up +11.04%, amid second-quarter sales and profits above its forecasts and an improved third-quarter outlook; sources reviewed do...
🟢 Sumco is trading 20% up today amid a broader semiconductor-sector rebound
Sumco is trading 20.33% up at $20.95 on October 19, 2026, amid a broader semiconductor-sector rebound, though no clear company-specific catalyst has been...
🟢 Sumco is trading 8.94% up today — reason remains unclear
Sumco is trading 8.94% higher at $20.95, with no clear Sumco-specific announcement explaining the gain. - Reports on October 15 described broad pressure on...
🔴 Sumco is trading 5% down today as catalyst remains unclear
Sumco is trading 4.95% down at $20.95, with no confirmed catalyst explaining the decline. - No verified October 12 company announcement or report directly...
🔴 Sumco is trading 12% down
Sumco is trading 11.75% down at $20.95; available search results identified no clear company-specific announcement or other catalyst on October 5, 2026, to...
🟢 Sumco is trading 10.32% up; catalyst remains unclear
Sumco is trading 10.32% up at $20.95 on September 28, with no confirmed company announcement or same-day catalyst explaining the move. - Available coverage...