Financial services group Investec is to slip out of the FTSE 100, in the latest rebalancing of the blue chip index.
Investec is joined by global satellite communications company Inmarsat and miner Lonmin in being relegated to the FTSE 250 index.
Building materials group, CRH, miner Evraz, and precious metals company Polymetal International will replace the trio.
The changes were announced following reviews approved by the FTSE Europe, Middle East and Africa regional committee.
Joining the pair in the FTSE 250 index are miner Bumi and the closed-end John Laing Infrastructure fund.
Travel company Thomas Cook has fallen out of the FTSE 250 index into the FTSE Small Cap index, after its recent, well-publicised difficulties.
The tour operator was joined by Mothercare, technology company Pace, Premier Foods, and recruiter SThree.
The changes will take effect at the close of trading on December 16.
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