MFMarketnews.com is keeping abreast of the industry's latest developments with postings twice a day. If you didn't log on last week, here are some Web exclusives you missed:

* The Vanguard Group has expanded its annuity offerings to include a new product designed for tax-sensitive investors who want to supplement their portfolios with a low-risk vehicle. The Single 5 fixed annuity will offer a guaranteed rate of return of 5% for five years, the company said. The tax-deferred product will be underwritten by Jefferson Pilot LifeAmerica Insurance Co. and will require a minimum investment of $10,000.

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