HONG KONG, Oct 15 (Reuters) - Hong Kong shares are set to open lower on Friday, with the benchmark easing from a 28-month high and from historically high overbought levels.
The Hang Seng Index <.HSI> was set to open down 0.5 percent at 23,733.79. The relative strength index -- a measure of how overbought or oversold a security is -- rose to its highest level since 1993 on Thursday.
The China Enterprises Index <.HSCE> of top locally listed mainland companies was indicated to open down 0.41 percent at 13,520.52. (Reporting by Vikram S Subhedar; Editing by Chris Lewis)