On September 16th, China's three major stock indices all opened higher. The Shanghai Composite Index opened 0.14% up, while the ChiNext Index gained 0.2%.

In terms of sector performance, precious metals and other small metal sectors strengthened across the board, with server and robotics concepts mostly opening higher. Meanwhile, rare earth, solar power, and agricultural stocks experienced widespread declines.

Regarding capital flows, the People's Bank of China announced that it conducted 287 billion yuan in 7-day reverse repo operations on September 16th through fixed-rate and quantity bidding methods, with an operation rate of 1.40%. The bidding amount was 287 billion yuan, with a winning bid amount of 287 billion yuan.

According to Wind data, 247 billion yuan in reverse repos matured on the same day. Based on this calculation, there was a net injection of 40 billion yuan for the day.

In margin trading, the combined margin financing balance across both markets increased by 18.429 billion yuan, reaching a total of 2,369.999 billion yuan.