IT服务板块1月21日跌0.17%，易华录领跌，主力资金净流出20.77亿元

Group 1 - The IT service sector experienced a decline of 0.17% on January 21, with Yihualu leading the drop [1] - The Shanghai Composite Index closed at 4116.94, up 0.08%, while the Shenzhen Component Index closed at 14255.12, up 0.7% [1] - Notable gainers in the IT service sector included Yuntian Lifa, which rose by 8.22% to a closing price of 88.52, and Jiechuang Intelligent, which increased by 5.92% to 51.00 [1] Group 2 - Yihualu saw a significant decline of 8.26%, closing at 15.55, with a trading volume of 608,000 shares and a transaction value of 972 million [2] - The IT service sector faced a net outflow of 2.077 billion from major funds, while retail investors contributed a net inflow of 1.901 billion [2] - The top individual stock in terms of net inflow from retail investors was Yuntian Lifa, with a net inflow of 36.608 million [3] Group 3 - Major funds showed a net inflow of 14.8 million into Yuntian Lifa, while retail investors had a net inflow of 36.608 million [3] - Other stocks like ST Saiwei and Jiechuang Intelligent also experienced varying degrees of net inflow and outflow from different investor categories [3] - The overall trend indicates a mixed sentiment in the IT service sector, with some stocks gaining while others faced significant selling pressure [3]