China A-shares upheaval brings openings, headaches.

The article discusses the opportunities and concerns China's measures to improve its plunging A-shares market present to overseas investors. Among the opportunities mentioned include the prospect of a return to more attractive valuations raised by the drop in Shanghai, China's composite index, the market's short term corrections, and openings for investors presented by the government's measures to boost stock purchases. Also discussed is the concern regarding the slowdown of China's economy.