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LSE agrees merger with TMX Group

The London Stock Exchange (LSE) has agreed a merger with TMX Group, which operates the Toronto Stock Exchange.

The merged group will keep headquarters in both London and Toronto and become the world's largest exchange for mining companies.

More than 6,700 companies will be listed on the combined exchanges, with a market capitalisation of about £3.7 trillion ($5.9tn), the firms said.

Nigel Cassidy reports.

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