Rudolph Technologies Inc. (Nasdaq:RTEC) shares are rising 12% in pre-market trading today after the company announced ahead of the bell its second-quarter revenue guidance will exceed the high end of previous estimates, reaching more than $38 million. Wall Street estimates for the quarter ended June 30 are for revenues of $36.5 million. The Flanders, N.J.-based company, which makes products for semiconductor manufacturers, said its strong quarter is the result of early acceptance of new products and increased sales.

Ahead of today’s opening, shares of Rudolph Technologies are up $0.92 to $8.65. 

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