(Bloomberg) -- Vanguard Group Inc., the world’s largest mutual-fund company, said only a minority of high- frequency traders may be hurting other investors.

Regulators should seek ways to prevent abuses without blocking high-speed firms that may actually benefit investors by providing liquidity to the markets, Joe Brennan, global head of Vanguard’s equity investment group, said in a telephone interview.

Subscribe Now

Access to premium content including in-depth coverage of mutual funds, hedge funds, 401(K)s, 529 plans, and more.

3-Week Free Trial

Insight and analysis into the management, marketing, operations and technology of the asset management industry.