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NEW YORK (TheStreet) -- Here's what Jim Cramer had to say about some of the stocks callers offered up during the Mad Money Lightning Round Tuesday evening:
Opko Health (OPK): "That's a speculative stock and speculation is not working right now."
Linn Energy (LINE): "I didn't like the quarter or their growth prospects. I need more information."
GasLog (GLOG): "I think these are up too much. I'd prefer to sell."
Westport Innovations (WPRT): "No. They missed too many quarters. They are not making you money."
National Oilwell Varco (NOV): "I like National Oilwell Varco."
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-- Written by Chris Sahl in Boston.