On September 11, when the Hong Kong stock market closed for the day, the Hang Seng Index registered a 0.43% decline, while the Hang Seng Tech Index saw a 0.24% drop. The pharmaceutical and biological sector emerged as the biggest loser of the session, with shares like Tigermed witnessing a downturn. On the flip side, the semiconductor sector shone brightly, with stocks such as Innoscience making notable gains.