Market Overview - The small metals sector increased by 0.39% on September 22, with Yunnan Zhenye leading the gains [1] - The Shanghai Composite Index closed at 3828.58, up 0.22%, while the Shenzhen Component Index closed at 13157.97, up 0.67% [1] Individual Stock Performance - Yunnan Zhenye (002428) closed at 29.17, up 3.77% with a trading volume of 562,800 shares and a turnover of 1.634 billion yuan [1] - Northern Rare Earth (600111) closed at 48.06, up 2.15% with a trading volume of 1,510,800 shares and a turnover of 7.201 billion yuan [1] - Western Materials (002149) closed at 17.28, up 1.83% with a trading volume of 122,000 shares and a turnover of 211 million yuan [1] - Other notable performances include Jintian Titanium (688750) at 21.43, up 1.28%, and China Rare Earth (000831) at 51.29, up 0.02% [1] Capital Flow Analysis - The small metals sector experienced a net outflow of 611 million yuan from institutional investors and 312 million yuan from speculative funds, while retail investors saw a net inflow of 922 million yuan [2] - Yunnan Zhenye had a net inflow of 113 million yuan from institutional investors, but a net outflow of 106 million yuan from speculative funds [3] - Northern Rare Earth saw a net inflow of 70.871 million yuan from institutional investors, while speculative funds had a net outflow of 196 million yuan [3]