Mad Money Spotlight: Vulcan Materials

It's time to buy Vulcan Materials(VMC Quote) stock again, Jim Cramer suggested in his "Mad Money" broadcast Thursday evening.

Shares of the big concrete company had been in Cramer's "sell block" since early December, when they were trading at what Cramer believed to be an overpriced $56.71. Since then, though, they've retreated back under $45, Cramer's target.

In morning action Friday, Vulcan stock was changing hands at $43.92, up $1.91, or 4.6%. It reached its 52-week high of $83 last September, and sank to its low, $34.30, in March. Shares of Martin Marrietta(MLM Quote), Vulcan's chief U.S. rival, were trading Friday at $80.89, up 98 cents, or 1.2%. ...