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Lightning Round: Hyperdynamics, General Motors, eBay and More

Hyperdynamics : This is a "very speculative stock," Cramer said. He recommends investors be very careful, adding they shouldn't buy above $5 a share.

City Telecom HK : While Cramer thinks this stock's 6.5 percent dividend yield is safe, he would rather see homegamers go with Windstream .

General Motors : Cramer is worried about this auto maker's stock. After all, the automobile industry is struggling right now. He would avoid GM for now.

Magnum Hunter Resources : This stock is "too risky" for Cramer right now. He would rather go with Chesapeake Energy . (RELATED: Cramer's One-on-One With Chesapeake CEO Aubrey McClendon)

eBay : The "Mad Money" host remains bullish on this Internet retailer's stock.

Lincoln Electric : Cramer said he's long liked this tool maker's stock. He's a buyer on this pullback.

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