Mainland Chinese shares stop trading after 7% plunge!

Trading on the mainland Chinese markets was suspended for the day, after shares plunged more than 7% for the second time this week.
The “circuit breaker” rule, a mechanism introduced to stem volatility in the market, was triggered in the first 30 minutes of trading.
Investors are nervous after the central bank moved to weaken the yuan.
This indicates that Beijing is looking to boost exports as China’s economy may be slowing more than expected.