Copyright (c) 2009 Yahoo! Inc. All rights reserved.http://finance.yahoo.com/q/h?s=acrnxLatest Financial News for COLUMBIA ACORN FUND Zen-usWed, 30 Sep 2009 20:21:00 Etc/GMThttp://us.news2.yimg.com/us.yimg.com/p/fi/pr/40197.gifhttp://finance.yahoo.com14417http://us.rd.yahoo.com/finance/external/cbsm/rss/SIG=12gjhid3p/*http%3A//www.marketwatch.com/news/story/columbia-deal-good-bad-news/story.aspx?guid=%7BF169AF1C%2DA4E7%2D40A7%2DA295%2D8993E4757AF3%7D&siteid=yhoofAmeriprise Financial Inc.'s purchase of Columbia Management will likely lead to fund mergers and lower expenses for Columbia and RiverSource Investment mutual funds, as the new outfit pares its offerings and enjoys economies of scale.yahoo_finance/3674883136Wed, 30 Sep 2009 20:21:00 Etc/GMT