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Investing in equity and hybrid mutual funds through 401(k) plans became less costly in 2018 while the average expense ratio of bond mutual funds remained stable, the Investment Company Institute, a trade group for the fund industry, reported last week.

Plan participants who invest in mutual funds in their 401(k)s tend to hold lower-cost funds, the report showed.

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Michael S. Fischer

Michael S. Fischer is a longtime contributing writer for ThinkAdvisor. He previously reported on trade and intellectual property topics for the Economist Intelligence Unit and covered the hedge fund industry for MARHedge and Reuters News Service.