Viisage, Visionics Rise Amid Increased Security Concerns

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Updated from 9:06 a.m. EDT

Security technology plays

Viisage

(VISG)

and

Visionics

(VSNX)

were both up again in early trading, partly in response to the wave of military actions. On the Nasdaq active list, Viisage was up 18.6% and Visionics was up 6.6%.

Both companies specialize in face-recognition and other biometric technology, and have been trading consistently higher since the Sept. 11 terrorist attacks as the government and airlines seek to enhance security at U.S. airports.

On Thursday, Viisage announced it had been selected to install the first face-recognition system at an undisclosed major U.S. airport.

Also actively traded this morning was

InVision Technologies

(INVN)

, up 9.7%. InVision specializes in the detection of explosive devices through computed tomograhy technology.