Liuliumei (06658.HK, LLM), a plum snack brand, made a remarkable debut on the Hong Kong Stock Exchange, with its shares soaring 186.83% on the first day of trading. The company's stock opened at HK$95, significantly above its issue price of HK$43.58, and continued to climb, reaching HK$125 by the end of the day. The ticker symbol LLM, coinciding with "Large Language Model," has fueled speculation among investors interested in AI concept stocks, contributing to the stock's impressive performance.