http://www.sse.com.cn/sseportal/en_us/ps/home.shtml
This link is pretty much live. I don't think this stamp duty will halt the shang hai today. .3% in and out is nothing when you're making 5% a week. Geeze, they're paying the loan sharks over 30% interest.
Pre open calls are down 6%, but you can bet they will be buying on the dips