Shares of Crisil surged 7 per cent and hit a fresh 52-week high of Rs 1,921 on the BSE on Monday, extending its Friday's 1 per cent gain, after the company said it will acquire a Stamford, Connecticut-based company Greenwich Associates LLC. The $40 million acquisition will be done through Crisil's subsidiary, CRISIL Irevna US LLC and will be funded entirely through internal accruals.

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