China's Hong Kong-listed technology stocks slid into bear market territory on Thursday, marking a sharp reversal from last year's rally as tax worries and global risk aversion rattles investor confidence. The Hang Seng Tech Index, which is dominated by mainland Chinese tech firms , fell more than 1%, taking the index down a little over 20% from its October peak. The index is down for a sixth straight session. Market participants pointed to fears of a possible increase in value-added tax on