装修装饰板块1月19日涨1.33%，海南发展领涨，主力资金净流入2.36亿元

Group 1 - The decoration and renovation sector increased by 1.33% on January 19, with Hainan Development leading the gains [1] - The Shanghai Composite Index closed at 4114.0, up 0.29%, while the Shenzhen Component Index closed at 14294.05, up 0.09% [1] - Notable declines in individual stocks included ST Keli Da down 5.02%, ST Dongyi down 4.92%, and Mingdiao Co. down 4.50% [1] Group 2 - The decoration and renovation sector saw a net inflow of 236 million yuan from main funds, while retail investors experienced a net outflow of 165 million yuan [3] - Hainan Development had a significant net inflow of 319 million yuan, representing 16.50% of the main fund's net inflow [3] - Other companies like Haosai and Zhongtian Jingzhuang also saw net inflows of 7.56 million yuan and 7.52 million yuan, respectively [3]