In this segment from Tuesday's Investor Beat, Motley Fool analysts Mike Olsen and Morgan Housel each discuss stocks they're watching closely this week. Morgan says that for a real circus, keep an eye on Plug Power (NASDAQ:PLUG). The insane volatility around this stock is a symbol of the amount of speculation there is in the power market at the moment. For a stock to buy, however, Morgan tells investors why he still loves Paychex (NASDAQ:PAYX). Meanwhile, Mike looks at Chiquita Brands International (NYSE:CQB), and its billion-dollar deal to buy Fyffes, creating the world's largest banana supplier. Mike discusses what impact this will have on the banana market, and why it may not be struck down by regulators, despite starting to seem like a monopoly.

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Chris Hill, Michael Olsen, CFA, and Morgan Housel have no position in any stocks mentioned. The Motley Fool recommends and owns shares of Paychex. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.