THE MARKETS: Market Place; S.E.C. Inquiry To Encompass 401(k) Plans
Securities and Exchange Commission asks two dozen mutual fund companies to provide details about payments they may make to ensure that their funds are included in corpoorate 401(k) plans; wants to assess prevalence of so-called pay-to-play arrangements among funds and what effect these deals may have on performance fo retirement plans; pension experts say many companies that offer 401(k) plans are unaware of hidden compensation arrangements that influence which funds are included on 401(k) menu and which are not; arrangements between fund companies and intermediaries may increase investors' costs, diminish returns and result in poorly performing funds being offered on 401(k) menu while better funds are left off; Fidelity Investments, Putnam Investments, Dreyfus Corp and T Rowe Price say they are complying with document requests (Market Place column) (M)