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Stock Splits Are Hot Again

Investors will continue to cheer on stock split announcements even when they don't fully understand them. It's simple math. It's zero-sum math.

What to Watch This Week: iPads, RVs and Pics in Space

Let's go over some of the items that will shape the week ahead on Wall Street: Pricey iPads and cheap smartphones will dominate tech; retailers' will report earnings; Winnebago will tell us what it has in the tank; and the smart money will be watching an eye in the sky.