How did the CW75 index perform for the week ended May 19, 2026, relative to major global benchmarks?

The CW75 index decreased 2.84% during the week ended May 19, 2026, underperforming both the MSCI World Index—which declined 0.70%—and the S&P 500—which fell 0.64%.

What notable achievement did Sumitomo Chemical report this week, and what was the key financial driver?

Shares in Sumitomo Chemical reached an all-time high this week as the company's profit surged 58% to ¥60.9 billion in its earnings.

CW75 Stock Performance: Wednesday, May 20, 2026

May 21, 2026

The CW75 index fell 2.84%, while Sumitomo Chemical shares reached an all-time high after profits surged 58% to ¥60.9 billion.

chemweek

2026-02-03

Sumitomo Chemical profit surges despite sales fall

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Lummus, Sumitomo Announce Commercial Availability of PMMA Chemical Recycling Tech

2026-02-06

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2026-05-21

CW75 Stock Performance: Wednesday, May 20, 2026

2026-07-14

Sumitomo Bakelite to boost electronic materials capacity in China

CW75 Stock Performance: Wednesday, May 20, 2026

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