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New rules requiring higher capital requirements for clearing houses hit shares in the London Stock Exchange on Friday. Lex's Julia Grindell and Nikki Tait discuss why this is short-term pain for the exchange for a longer-term gain.
Related article: http://www.ft.com/cms/s/0/373c2b66-0940-11e2-a5a9-00144feabdc0.html
For more commentary from the Lex team, visit http://www.ft.com/lex
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