An investor takes notes as he watches a board showing stock prices at a brokerage office in Beijing, China, in this July 6, 2015 file photo. China’s wild stock market rout is a challenge not a crisis, say people close to the country’s leadership. But at the sharp end, among the millions of often retired, small retail investors who account for around 85 percent of market trading, the mood is less sanguine. “China is not about to become the next Greece. You are too pessimistic,” one individual close to the leadership in Beijing told Reuters, referring to foreign media and detractors. “We still have many policy tools we can use.” As the CSI300 index .CSI300 of the largest listed stocks in Shanghai and Shenzhen fell 6.8 percent on Wednesday – it has lost close to a third of its value in less than a month after more than doubling […]