On September 27, the market continued to rise GEM index rose 10%, the largest one-day increase in history, GEM index turnover of 439.5 billion, the amount of transactions also hit a historical volume, Shanghai and Shenzhen two cities turnover of more than 1.4 trillion, the full-day turnover of the Shenzhen Composite Index is close to trillion.。GEM heavyweights collectively rose, the whole market more than 5200 stocks rose, more than 100 stocks rose and stopped.。Big financial and financial technology stocks continued to rise, lithium batteries, photovoltaics and other track stocks rebounded, liquor stocks remained strong, the Shanghai index rose 2.89%, SZSE up 6.71%。On the same day, the SSE trading system was once delayed, a futures company related personnel said, the back-end trading end due to intraday stock index futures rose too fast, part of the private equity products too late to supplement the margin trigger strong flat risk。