$1.7 trillion-dollar ETF giant State Street says 401(k) market about to face new low-cost challenger
1. SEC allows fund companies to create ETF share classes from mutual funds. 2. State Street plans to offer mutual fund share classes for ETFs in retirement plans. 3. The $4 trillion retirement market is a key focus for State Street. 4. Government shutdown delays State Street's ETF mutual fund plans. 5. Competition in 401(k) market will intensify with low-cost offerings.