Sun Life to buy U.S. benefits firm DentaQuest for $2.5 bln in biggest deal since 2001<blockquote>永明人寿将以 25 亿美元收购美国福利公司 DentaQuest，这是自 2001 年以来最大的一笔交易</blockquote>
TORONTO, Oct 4 (Reuters) - Sun Life Financial said it will acquire U.S. dental benefits provider Den