Nokia Corporation (ADR) (NOK): Here’s What This Top-Earning Billionaire Has Been Buying

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Finally, Moore’s biggest closed positions included the SPDR S&P 500 ETF and the PowerShares QQQ Trust ETF. Other closed positions of interest include Exact Sciences Corporation (NASDAQ:EXAS). Exact Sciences is developing a colon cancer test, which isn’t proving to be as exact as some might have hoped, though it still has value. The company recently announced plans to issue more than $60 million worth of new shares to raise funds for further product testing and development. Some think it might end up bought out.

We should never blindly copy any investor’s moves, no matter how talented the investor. But it can be useful to keep an eye on what smart folks are doing. 13-F forms can be great places to find intriguing candidates for our portfolios.

The article Here’s What This Top-Earning Billionaire Has Been Buying originally appeared on Fool.com.

Longtime Fool contributor Selena Maranjian, whom you can follow on Twitterhas no position in any stocks mentioned, and neither does The Motley Fool.

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