Legislation could encourage more employers to offer Roth accounts.

Fidelity says average account balance has risen to $74,600, from $46,200 in Q1 2009.

Fidelity says average account balance has risen to $74,600, from $46,200 in Q1 2009.

Pimco, Invesco vie for assets using riskier assets, more complicated strategies.

Pimco, Invesco vie for assets using riskier assets, more complicated strategies.

Aims to make lifetime income more available in pension plans and 401(k)s.

Aims to make lifetime income more available in pension plans and 401(k)s.

Workers shouldn't use retirement plans as 'rainy-day funds,' Kohl argues.