Group 1 - A-shares experienced significant market activity on August 20, with 102 stocks hitting the daily limit up and 14 stocks hitting the limit down [1] - The liquid metal concept saw strong performance, with Dongfang Zirconium hitting the limit up [1] - The smart speaker concept also gained traction, with Kosen Technology achieving a four-day consecutive limit up and Huiwei Technology hitting the limit up [1] Group 2 - ST Gaohong faced a continuous decline, hitting the limit down for eight consecutive days [2] - Aili Home and ST Nanzhi both experienced limit down for two consecutive days [2] - ST Huarong and Xintian Pharmaceutical also faced limit down [2]