Market Performance - The metal new materials sector increased by 0.75% on October 15, with Yunlu Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3912.21, up 1.22%, while the Shenzhen Component Index closed at 13118.75, up 1.73% [1] Individual Stock Performance - Yunlu Co., Ltd. (stock code: 061889) closed at 127.20, rising by 10.75% with a trading volume of 23,000 lots and a transaction value of 281 million [1] - Tunan Co., Ltd. (stock code: 300855) closed at 28.45, up 5.02% with a trading volume of 94,100 lots [1] - Zhongzhou Special Materials (stock code: 300963) closed at 24.99, increasing by 3.09% with a trading volume of 653,400 lots [1] - Other notable performers include Placo New Materials (stock code: 300811) up 3.01% and Chitong New Materials (stock code: 300930) up 2.88% [1] Capital Flow Analysis - The metal new materials sector experienced a net outflow of 1.24 billion in main funds, while retail investors saw a net inflow of 969 million [2] - The sector's overall capital flow indicates a mixed sentiment, with institutional investors withdrawing while retail investors are actively buying [2] Detailed Capital Flow for Selected Stocks - Yunlu Co., Ltd. had a main fund net inflow of 20.19 million, but a net outflow from retail investors of 20.51 million [3] - Placo New Materials saw a main fund net inflow of 7.99 million, with retail investors also experiencing a net outflow of 10.23 million [3] - Other stocks like Sry New Materials (stock code: 688102) and Bo Wei Alloy (stock code: 601137) showed varied capital flows, indicating differing investor sentiments [3]