BEIJING (Sputnik) – The Shanghai Composite fell 7.32 percent, while the Shenzhen Composite was down 8.34 percent.
The circuit breaker halts trade for the entire day if CSI 300 falls to seven percent or more. If the index falls five percent, trade is suspended for only 15 minutes.
On Monday, the CSI 300 Index, which consists of 300 major country's stocks traded in both Shanghai and Shenzhen, dropped by seven percent and reached the lowest rates in almost three months.
The Shanghai Composite Index was down 6.85 percent, while Shenzhen Composite's tumbled 8.1 percent on Monday.
On Wednesday, the Chinese yuan fell to about 6.69 against the dollar in offshore markets and was fixed at 6.53 to the dollar onshore. The spread between the onshore and offshore values was the widest in the past five years.