HSI Services will reclassify three stocks in the Hang Seng Index to sub-indices to better reflect their business nature with effect from March 1. China Resources Enterprise and New World Development will be reclassified from 'properties' to 'commerce and industry' as their non-property revenues have grown to exceed 50 per cent of revenues. Wheelock & Co will be reclassified from 'commerce and industry' to 'properties'.