Asian stocks
1. China's Shanghai Composite Index closed up 7.1 points on May 21 (Wednesday), an increase of 0.21%, at 3387.57 points;
2. China's Shenzhen Component Index closed up 45.05 points on May 21 (Wednesday), an increase of 0.44%, at 10294.22 points;
3. China's CSI 300 Index closed up 18.21 points on May 21 (Wednesday), an increase of 0.47%, at 3916.38 points;
4. China's ChiNext Index closed up 16.93 points on May 21 (Wednesday), an increase of 0.83%, at 2065.39 points;
5. China's Science and Technology Innovation 50 Index closed down 2.19 points on May 21 (Wednesday), a decrease of 0.22%, at 995.49 points;
6. Hong Kong's Hang Seng Index closed up 146.3 points, or 0.62%, at 23,827.78 points on May 21 (Wednesday);
7. Hong Kong's Hang Seng Technology Index closed up 26.85 points, or 0.51%, at 5,342.41 points on May 21 (Wednesday).
European stocks
1. Germany's DAX30 index closed up 93.83 points, or 0.39%, at 24111.13 points on May 21 (Wednesday);
2. The UK's FTSE 100 index closed up 2.42 points, or 0.03%, at 8783.54 points on May 21 (Wednesday);
3. France's CAC40 index closed down 31.93 points, or 0.40%, at 7910.49 points on May 21 (Wednesday);
4. The European STOXX 50 index closed down 2.60 points, or 0.05%, at 5452.05 points on May 21 (Wednesday);
5. Spain's IBEX35 index closed up 41.70 points, or 0.29%, at 14304.00 points on May 21 (Wednesday);
6. Italy's FTSE MIB index closed up 4.56 points, or 0.01%, at 40,527.00 points on Wednesday, May 21.
US stocks
1. The Dow Jones Industrial Average closed down 816.92 points, or 1.91%, at 41,860.32 points on Wednesday, May 21;
2. The S&P 500 closed down 95.87 points, or 1.61%, at 5,844.59 points on Wednesday, May 21;
3. The Nasdaq Composite Index closed down 270.07 points, or 1.41%, at 18,872.64 points on Wednesday, May 21.