Coca-Cola Company

Here's some of what will shape the week ahead on Wall Street: Big guns like Microsoft and Coke reports earnings; "toy guns" such as Mattel do too; eBay is expected to bid itself up; and we'll hear from some of Citigroup's "Champions."

Organic foods used to be niche products: hard to find and with limited selections. Now, organic is booming, and it's everywhere from Safeway to Costco. But the standards for what can be called "organic" have changed.

The cost to dine with investor Warren Buffett has apparently spiked in value, with one deep-pocketed bidder forking over nearly $3.5 million during a charity auction. The annual auction for a private lunch with the Nebraska billionaire closed following a flurry of activity in the final hours Friday night.

Wal-Mart, the world's No. 1 retailer and the biggest seller of firearms in the United States, is dropping out of a U.S. conservative advocacy group that has been a lightning rod over voting and gun laws.

The Walmart bribery scandal has shined a harsh spotlight on corporate misdeeds. How can you keep track of the probity of the businesses you patronize? These websites can help.

Pepsi is hoping to win back soda drinkers with a compromise. Some people don't like the calories in regular soda, but loathe the taste of zero-calorie diet drinks. So the nation's No. 2 cola company is rolling out "Pepsi Next," a cola that has about half the calories of regular Pepsi at 60 calories per can.

There's a lot of overlap among the holdings of Morningstar's 26 highly rated funds, and these 10 stocks top the list. So if you want to follow the pros, consider these -- all of them mega-cap stocks and ultra-conservative buys.