Giga Device Semiconductor Class A stock hits limit-up in Shanghai as memory-price bets build into Monday
SHANGHAI, Jan 18, 2026, 08:25 (GMT+8) — Market has closed. GigaDevice Semiconductor’s Class A shares on the Shanghai exchange (603986.SS) surged 10% to close at 280.46 yuan Friday, hitting their daily price limit. Trading volume reached roughly 55 million shares, pushing the stock to the peak of its 52-week range as chip stocks outpaced a weaker market. (英为财情 Investing.com) Mainland markets were closed over the weekend, leaving investors to watch for Monday’s follow-through. Shares of the company listed in Hong Kong (3986.HK) ended Friday up 16.74%, closing at HK$272 after fluctuating between HK$227.20 and HK$272 during the day. (Investing.com Canada)