Internet advertising and marketing firm ValueClick reported net income of $26.3 million (34 cents a share) in the first quarter ended March 31, compared to $21.6 million (26 cents) for the same quarter a year earlier. Revenue increased 13 percent to $165 million.

Analysts had expected the Westlake Village firm to earn 40 cents a share on revenue of $167 million, according to Thomson Financial Network.

The company said it is integrating its Internet marketing services and some interruptions in service are expected. The company lowered its guidance for the next quarter.

Shares of ValueClick closed up 2 cents, or a fraction of a percent, to $31.74 on the Nasdaq.

Vitesse Semiconductor Corp. reported a net loss of $3.9 million (-13 cents a share) in the fiscal second quarter ended March 31, compared to a loss of $3.8 million (-25 cents) in the same quarter a year ago. Revenue fell 3.5 percent to $24.8 million.

Analysts had expected the Camarillo firm to report a loss of 14 cents on revenue of $26 million, according to Thomson Financial Network.

Shares of Vitesse closed up 3 cents, or 1.5 percent, to $2.10 on the Nasdaq.