The group buys excess pieces of solar paneling, cut from commercially sold panels, in bulk from an overseas company.

CNN: 'Saving lives' with solar-powered lights

Nonetheless, there are definitely still attractive buys in the group, and picking the right asset manager is the key to winning.

FORBES: Hot Asset Managers

While many consumers are willing to buy both, there will always be a select group who only buys one of the two games.

FORBES: Connect

Each week, Guru Picks analyzes the buys and sells of this best performing group of investors, known as the M100.

FORBES

Ms. Eisen, president of New York-based home-staging company Interior Marketing Group, said she buys most of the furnishings at a fraction of their retail cost through websites like Craigslist and secondhand stores.

WSJ: Furniture That Gets Around

The latest long shot: General Motors buys DaimlerChrysler 's Chrysler Group.

FORBES: Magazine Article

PERS, with 1.2m members, and the Pacific Business Group on Health, an alliance of 45 large employers that buys health benefits for 3m people, demanded, and for four years up to 1998 won, successive reductions in premiums.

ECONOMIST: California leads, but the rest of America is not far behind

And 2011 looks maybe even better: in the first quarter, SI Golf Group ad revenue is expected to jump 20%, thanks to new ad buys by Nike Golf and Mizuno, among others.

FORBES: Will This Save the Game of Golf?

Relative performance and volume analysis confirms these four industry groups are outperforming the market, writes Tom Aspray , and he identifies stocks from each group that may soon set up as good buys.

FORBES: 4 Industry Groups Beating the S&P 500