NEW YORK: NASDAQ OMX has agreed to acquire Thomson Reuters' public relations, investor relations, and multimedia services businesses in an expansion of the exchange operator's Corporate Solutions group.

The $390 million deal is expected to close in the first half of next year. NASDAQ will integrate Thomson Reuters' PR, IR, and multimedia businesses, which serve more than 7,000 clients globally, with its Corporate Solutions unit, which has about 3,000 customers.

With the transaction, NASDAQ will add a number of products ...