Group 1 - The automation equipment sector increased by 2.46% on December 30, with Boke Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3965.12, unchanged, while the Shenzhen Component Index rose by 0.49% to 13604.07 [1] - Key stocks in the automation equipment sector showed significant price increases, with Boke Co., Ltd. rising by 20.00% to a closing price of 145.99 [1] Group 2 - The sector saw a net inflow of 738 million yuan from institutional investors, while retail investors experienced a net outflow of 709 million yuan [2] - Notable stocks with significant net inflows from institutional investors include Green Harmony with 116 million yuan and Robot with 115 million yuan [3] - Conversely, retail investors showed significant outflows from stocks like Robot and Sanfeng Intelligent, with outflows of 117 million yuan and 98 million yuan respectively [3]