Fools were out and about this week in an investing world jampacked with actions and ideas. Here are three articles you might find useful as you decide how to invest your money.

Keep More of Your Money in 2011
Now that your 2010 taxes are filed, it's time to start thinking about next year's filings and how you can lessen the tax bite.

Fool editor and writer Dan Caplinger has tips to help you keep more of your money in 2011. He talks about contributing to your 401(k) at work and about ditching losing stocks. He also uses stocks -- including American Capital Agency, Annaly Capital (NYSE: NLY), Altria (NYSE: MO), and Frontier Communications -- to explain when it makes sense to put high-yielding investments in tax-favored accounts and when it does not.

Check out the article for a full rundown on the Foolish advice.

The 10 Best Stocks for Blue Gold
Fool editor Dan Dzombak found 10 water-related companies that you might want to check out. "The kingmaker of the next hundred years will be water. … As demand for water rises with population growth, there is a huge opportunity for companies that can efficiently and effectively deliver water to consumers," Dan wrote.

His favorite among the 10 is Nalco (NYSE: NLC), the largest water-treatment company in the world. The list also includes Veolia Environnement (NYSE: VE), the world's largest water-services company, and Energy Recovery (Nasdaq: ERII), which manufactures energy-recovery devices and pumps primarily for desalination plants.

See the article to get all of Dan's insight on how to play "blue gold."

When Will Video Games Bounce Back?
Longtime Fool contributor Rick Munarriz brought a "troublesome divergence" in the gaming industry to investors' attention: "Hardware sales aren't resulting in the desired surge in software."

Rick starts off with the bad news about how an increase in hardware and accessories wasn't enough to offset a 16% slide in software. March video-game sales clocked in 4% lower than they did a year earlier, according to the NPD Group research that caught Rick's attention.

Meanwhile, Wall Street is braced for lower sales and earnings this year from Activision Blizzard (Nasdaq: ATVI), and analysts see Electronic Arts' (Nasdaq: ERTS) revenue taking a nearly 10% hit for its just-ended fiscal year.

Read the article for more of Rick's thoughts on the gaming industry's quandary.

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