(AGI) Hong Kong, Sept 29 - Hong Kong stocks dived as thetrading week began after clashes between pro-democracyprotesters and police. Reports of the clashes were notgenerally publicised, and social media was curbed bycensorship. The Hang Seng index fell 1.9 percent to 23,218.64points by midday local time on Monday. There was a rise of 0.4percent on the CSI300 index of stocks traded on the Shanghaiand Shenzhen stock exchanges. (AGI) . .