医疗器械板块12月15日跌0.26%，热景生物领跌，主力资金净流入5276.41万元

Core Viewpoint - The medical device sector experienced a decline of 0.26% on December 15, with Hejing Bio leading the drop, while the Shanghai Composite Index fell by 0.55% and the Shenzhen Component Index decreased by 1.1% [1] Group 1: Market Performance - The medical device sector's decline was noted at 0.26% on the previous trading day [1] - The Shanghai Composite Index closed at 3867.92, down 0.55% [1] - The Shenzhen Component Index closed at 13112.09, down 1.1% [1] Group 2: Capital Flow - The medical device sector saw a net inflow of main funds amounting to 52.76 million yuan [2] - Retail investors contributed a net inflow of 52.48 million yuan, while speculative funds experienced a net outflow of 105 million yuan [2]