
Market Overview - On August 18, the medical information technology sector rose by 2.58% compared to the previous trading day, with Kexin Information leading the gains [1] - The Shanghai Composite Index closed at 3728.03, up 0.85%, while the Shenzhen Component Index closed at 11835.57, up 1.73% [1] Top Gainers in Medical Information Technology - Kexin Information (300730) closed at 21.25, with a significant increase of 19.99% and a trading volume of 997,000 shares, amounting to 1.954 billion yuan [1] - Shanda Diwei (688579) saw a rise of 16.87%, closing at 13.58 with a trading volume of 360,500 shares, totaling 462 million yuan [1] - Xuanji Information (300324) increased by 11.33%, closing at 6.09 with a trading volume of 3.6204 million shares, amounting to 2.125 billion yuan [1] Market Capital Flow - The medical information technology sector experienced a net inflow of 1.573 billion yuan from institutional investors, while retail investors saw a net outflow of 806.686 million yuan [2][3] - Major stocks like Yonyou Network (600588) had a net inflow of 524 million yuan from institutional investors, but a net outflow of 327 million yuan from retail investors [3] Notable Decliners - Sichuang (300078) declined by 10.08%, closing at 3.57 with a trading volume of 1.8008 million shares, totaling 633 million yuan [2] - Jiayuan Technology (301117) fell by 7.70%, closing at 37.75 with a trading volume of 254,000 shares, amounting to 951 million yuan [2]