Visual Sciences

( VSCN) disclosed Thursday that it has been approached as an acquisition target "by a number of strategic buyers" and had retained an investment bank to help evaluate potential deals.

Shares of Visual Sciences had risen nearly 6% in Thursday trading, but were halted briefly before the announcement; following its return to trading, the stock was up 8 cents to $17.18.

Visual Sciences hired Goldman Sachs to "assist in evaluating a potential transaction."

Shares of

Omniture

( OMTR), another Internet technology and services firm, had spiked almost 7% to $23.89 ahead of Visual's announcement. Omniture was recently up 2.7% to $23.

Visual Sciences did, however, lower its second-quarter guidance. The company now expects second-quarter revenue of between $19.5 million and $19.8 million, as compared to previous guidance of between $21.3 million to $21.9 million. Earnings before items are now expected to be between 11 cents to 12 cents a share, as compared to prior guidance of 15 cents to 16 cents a share.