Oct 19 (Reuters) - Nasdaq Inc (NDAQ.O) reported a 15% jump in third-quarter adjusted profit on Wednesday, driven by strong demand for the exchange operator's investment products that helped offset a slowdown in initial public offerings. Register now for FREE unlimited access to Reuters.com RegisterRevenue at the firm's solutions segment, which houses its technology products, jumped 8% to $584 million. Excluding one-time items, Nasdaq earned 68 cents per share in the quarter ended Sept. 30. In line with other major financial firms, Nasdaq has also battled rising costs amid decades-high inflation. The company said it repurchased $633 million in shares of its common stock in the first nine months of the year.

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