No one can guarantee 20% a year, especially not now when America's bull market is getting long in the tooth.

FORBES: Side lines

All Diamond products come with a one year limited warranty, a Diamond guarantee of quality manufacturing experience and a recently upgraded, US based, customer support system.

ENGADGET: Diamond Multimedia outs AMP1000 Android set-top box: Gingerbread-based, 1080p, sells for $120 (update: ICS coming this week)

The program accepts only six students per year to guarantee students ample one-on-one training.

FORBES: Vacheron Constantin To Help Train Future U.S. Watchmakers

The U.S. government allowed this guarantee to expire after one year and it has not been restored.

FORBES: Euro-Crisis Side Effect: Your Prime Money Market Fund Could Break The Buck

And after back-to-back top-10 finishes at the Irish and European Opens, Wood needs just one more top-10 finish during the year to guarantee his Tour card for 2010, which was his main goal at the start of the campaign.

BBC: Wood targets Race for Dubai test

The increase in just one year illustrates the open-ended nature of the guarantee that is so blighting the insurer's prospects, since it has to set aside reserves in gilts in order to meet the obligation even if this means selling equities into falling stockmarkets.

ECONOMIST: Now the insurer has to win support for its long-awaited deal