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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" Thursday night:
Universal Display (PANL): "That is too hard for me to understand. Don't buy."
VirnetX (VHC): "It looks like they are history. I would leave it alone."Constant Contact (CTCT - Get Report): "I think it's too competitive. I don't see it." Regions Financial (RF - Get Report): "That's too cheap. I'd get aboard that one before it leaves the station." Zillow (Z - Get Report): "I like Realogy Holdings (RLGY - Get Report). It's better than Zillow." To read a full recap of "Mad Money" on CNBC, click here. To sign up for Jim Cramer's free Booyah! newsletter with all of his latest articles and videos please click here. To watch replays of Cramer's video segments, visit the Mad Money page on CNBC. -- Written by Scott Rutt in Washington, D.C. To email Scott about this article, click here: Scott Rutt Follow Scott on Twitter @ScottRutt or get updates on Facebook, ScottRuttDC