--- title: "GCS tech has consecutively hit the upper limit for 5 trading days, and the company states that there has been no change in the photoresist substrate business" type: "News" locale: "en" url: "https://longbridge.com/en/news/258877365.md" description: "On September 25th, GCS tech's stock price hit the daily limit, marking five consecutive trading days of limit-up since September 19th. The company announced on September 22nd and 24th that there were no undisclosed matters that needed to be disclosed. A staff member answering the phone at the board secretary's office of GCS tech stated that there had been no changes in the photoresist substrate business. The company indicated in the announcement that the \"photoresist\" concept has recently garnered high market attention, and its main business currently involves the research, development, production, and sales of fine chemical products" datetime: "2025-09-25T11:59:30.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/258877365.md) - [en](https://longbridge.com/en/news/258877365.md) - [zh-HK](https://longbridge.com/zh-HK/news/258877365.md) --- > Supported Languages: [简体中文](https://longbridge.com/zh-CN/news/258877365.md) | [繁體中文](https://longbridge.com/zh-HK/news/258877365.md) # GCS tech has consecutively hit the upper limit for 5 trading days, and the company states that there has been no change in the photoresist substrate business On September 25th, GCS tech's stock price hit the daily limit, marking five consecutive trading days of limit-up since September 19th. The company announced on September 22nd and 24th that there were no undisclosed matters that needed to be disclosed. A staff member answering the phone at the board secretary's office of GCS tech stated that there had been no changes in the photoresist substrate business. The company mentioned in the announcement that the "photoresist" concept has recently attracted high market attention, and its main business is the research, production, and sales of fine chemical products ### Related Stocks - [GCS tech (002453.CN)](https://longbridge.com/en/quote/002453.CN.md) ## Related News & Research - [IEA ready to stabilise oil market affected by Iran war, Bloomberg News reports](https://longbridge.com/en/news/277628695.md) - [Indonesia's Chandra Asri declares force majeure as Middle East conflict disrupts supplies](https://longbridge.com/en/news/277604922.md) - [Assessing Bittium Oyj’s Valuation After 2025 Results 2026 Guidance Dividend And New Defense Deals](https://longbridge.com/en/news/277575350.md) - [UK working with airlines to boost Oman evacuations](https://longbridge.com/en/news/277620489.md) - [LibreOffice Online dragged out of the attic, dusted off for another go](https://longbridge.com/en/news/277439337.md)