Lianxun Instrument landed on the Sci-Tech Innovation Board and surged over 950%. Its first-day gain exceeded the record set by Muxi Shares, marking a new record for the first-day gain of A-shares.

The optical communication testing instrument Longtou Lianxun Instrument officially debuted on the Science and Technology Innovation Board on Friday, setting a new record for the strongest first-day performance in A-share fundraising exceeding 1 billion RMB, and quickly becoming the most profitable new stock of the year. Lianxun Instrument's stock price surged by 950.2% in early trading, surpassing the 755% increase of Mu Xi Technology, another GPU company listed on the Science and Technology Innovation Board. Based on the highest stock price during trading, investors who purchased Lianxun Instrument's new shares could have a floating profit of up to 389,000 RMB, making it the new stock with the highest first-day profit for a single share this year.