小金属板块8月18日涨5.01%，金天钛业领涨，主力资金净流入26.86亿元

Group 1 - The small metals sector experienced a significant increase of 5.01% on August 18, with Jintian Titanium 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] - Key stocks in the small metals sector showed notable price increases, with Jintian Titanium rising by 13.20% to a closing price of 25.21 [1] Group 2 - The small metals sector saw a net inflow of 2.686 billion yuan from main funds, while retail investors experienced a net outflow of 1.156 billion yuan [2] - Major stocks like Northern Rare Earth and Baowu Magnesium had significant net inflows from main funds, indicating strong institutional interest [3] - The trading volume for Northern Rare Earth reached 2.8612 million shares, with a closing price of 42.90, reflecting a 10.00% increase [1][3]