厨卫电器板块12月30日跌0.52%，浙江美大领跌，主力资金净流入3639.41万元

Group 1 - The kitchen and bathroom appliance sector experienced a decline of 0.52% on December 30, with Zhejiang Meida leading the drop [1] - The Shanghai Composite Index closed at 3965.12, showing a slight decrease of 0.0%, while the Shenzhen Component Index rose by 0.49% to 13604.07 [1] - Key stocks in the kitchen and bathroom appliance sector showed varied performance, with notable declines in Zhejiang Meida (-3.03%) and Boss Electric (-1.18%) [1] Group 2 - The sector saw a net inflow of 36.39 million yuan from main funds, while retail investors experienced a net outflow of 28.32 million yuan [1] - Detailed fund flow data indicates that Boss Electric had a main fund net inflow of 22.99 million yuan, while Zhejiang Meida faced a net outflow of 9.18 million yuan from main funds [2] - Retail investors showed significant outflows across several stocks, with Boss Electric and Zhejiang Meida experiencing outflows of 9.61 million yuan and 15.00 million yuan, respectively [2]