Top-performing value fund takes big position in Dunkin' Brands

NEW YORK, Jan 22 (Reuters) - Calling it a play on falling U.S. gas prices, the portfolio manager of the one of the top-performing large-cap value funds over the last decade recently purchased slightly more than 1 million shares of Dunkin' Brands Group Inc, parent company of Dunkin' Donuts and Baskin-Robbins.