CW75 Stock Performance: Wednesday, May 20, 2026May 21, 2026The CW75 index fell 2.84%, while Sumitomo Chemical shares reached an all-time high after profits surged 58% to ¥60.9 billion.CW75 Stock Performance: Wednesday, May 20, 2026chemweekTopic tracking2026-02-03Sumitomo Chemical profit surges despite sales fall2026-02-05Lummus, Sumitomo Announce Commercial Availability of PMMA Chemical Recycling Tech2026-02-06Sumitomo Bakelite Profits Surge on Robust Chip Demand2026-05-21CW75 Stock Performance: Wednesday, May 20, 20262026-07-14Sumitomo Bakelite to boost electronic materials capacity in ChinaFAQHow did the CW75 index perform for the week ended May 19, 2026, relative to major global benchmarks?+What notable achievement did Sumitomo Chemical report this week, and what was the key financial driver?+
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