SUMCO (SUOPY) Stock Chart & Stock Price History $16.06 0.00 (0.00%) As of 07/18/2025 Add Compare Share Share Chart Stock AnalysisChartEarningsHeadlinesSEC FilingsShort InterestBuy This Stock SUMCO Stock Price Performance The SUMCO (SUOPY) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 50.92%, with a year-to-date return of 8.19%. In the past month, the stock has increased 14.35%, reflecting recent market activity. As of the latest close, SUMCO traded at $16.06 with a market cap of $2.81 billion and volume of 0 shares. Five years ago, the stock traded at $29.66, representing a 45.85% decrease over that period. At the time, it had a market cap of $4.54 billion and a volume of 135 shares. Receive SUOPY Stock News and Ratings via EmailSign-up to receive the latest news and ratings for SUMCO and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day PerformanceN/A1 Month Performance+14.35%3 Month Performance+25.67%Year-To-Date Performance+8.19%1 Year Performance-50.92%5 Year Performance-45.85% SUOPY Stock Chart for Saturday, July, 19, 2025 SUOPY Chart by TradingView SUMCO Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization07/10/2025$16.06$16.06$16.06$15.741,232 shs$2.81 billion07/09/2025$15.31$16.06+4.90%$16.06$15.741,232 shs$2.81 billion07/08/2025$15.41$15.31-0.65%$15.43$15.313,334 shs$2.68 billion07/07/2025$15.41$15.41$15.41$15.4136 shs$2.70 billion07/04/2025$15.41$15.41$15.41$15.4136 shs$2.70 billion07/03/2025$15.41$15.41$15.41$15.412 shs$2.70 billion07/02/2025$15.41$15.41$15.41$15.411 shs$2.70 billion07/01/2025$15.41$15.41$15.41$15.4111 shs$2.70 billion06/30/2025$15.41$15.41$15.41$15.41388 shs$2.70 billion06/27/2025$13.70$15.41+12.48%$15.41$15.41388 shs$2.70 billion Get the Latest News and Ratings for SUOPY and Related StocksEnter your email address below to receive the latest news and analysts' ratings for SUMCO and its competitors with MarketBeat's FREE daily newsletter. 06/25/2025$13.70$13.70$13.70$13.70173 shs$2.40 billion06/24/2025$13.70$13.70$13.70$13.70150 shs$2.40 billion06/23/2025$13.70$13.70$13.70$13.70473 shs$2.40 billion06/20/2025$14.05$13.70-2.46%$13.70$13.70473 shs$2.40 billion06/19/2025$14.05$14.05$14.05$14.0513 shs$2.46 billion06/18/2025$14.05$14.05$14.05$14.05183 shs$2.46 billion Related Companies THK Stock Chart Amtech Systems Stock Chart NVIDIA Stock Chart Texas Instruments Stock Chart Intel Stock Chart STMicroelectronics Stock Chart Ciena Stock Chart Procore Technologies Stock Chart Nice Stock Chart Nebius Group Stock Chart Receive SUOPY Stock News and Ratings via EmailSign-up to receive the latest news and ratings for SUMCO and its competitors with MarketBeat's FREE daily newsletter. 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