On May 27, Entegris rose 5.53% in pre-market trading, trading at $149.98/share, with trading volume of $1.1449 million.

On the news front, Entegris and JSR's Inpria division signed a non-exclusive cross-licensing agreement focused on metal oxide resist patents to advance extreme ultraviolet (EUV) lithography for chip manufacturing. Under the agreement, both parties will cross-license metal oxide resist patents, terminate ongoing inter partes review challenges, and explore future collaboration opportunities in photoresist materials. The companies stated the collaboration supports the application of advanced materials in semiconductor manufacturing as they scale frontier technologies for the artificial intelligence era.

Within the Semiconductor Equipment sector where Entegris belongs, individual stocks broadly strengthened. Among them, Applied Materials up 2.66%, Lam Research up 4.26%, ASML Holding up 1.9%, KLA-Tencor up 3.87%, Teradyne up 3.82%.

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