Cisco ( CSCO) surged after CEO John Chambers guided toward stronger-than-expected revenue growth for fiscal 2007. The San Jose, Calif., company made $1.54 billion, or 25 cents a share, for the quarter ended July 29. Excluding certain costs, latest-quarter earnings were 30 cents a share. Revenue rose to $7.98 billion, up from$6.6 billion a year ago. Chambers also said he sees fiscal 2007 revenue growth of 15% to 20%, above the 15.5% estimate. Shares gained $1.62, or 9.4%, to $18.91.

Blackboard ( BBBB), a Washington-based software company, rose after posting its second-quarter results. Revenue increased 32% over a year ago to $43.6 million. The company reported a loss of $6.3 million, or 23 cents a share, compared with earnings of $6.1 million, or 21 cents a share, a year ago. Excluding items, the company lost 3 cents a share. Wall Street was looking for a loss of 23 cents a share on revenue of $42.2 million.

The company said it expects third-quarter revenue of $48.3 million to $49.3 million and a loss of 18 cents to 19 cents a share. Analysts are calling for a loss of 17 cents a share and revenue of $46.7 million. For the full year, the company expects revenue of $178.3 million to $180.3 million, and a loss of 41 cents to 44 cents a share. Analysts are looking for a loss of 35 cents on revenue of $174.6 million. Blackboard also said Mike Beach will succeed Peter Repetti as chief financial officer effective Sept. 1. Shares climbed $1.82, or 6.3%, to $30.64.

Digene ( DIGE) advanced after the Gaithersburg, Md., maker of genetic-testing products swung to a fourth-quarter profit. The company reported income $3 million, or 13 cents a share, compared with a loss of $3.8 million, or 19 cents a share, a year ago. Excluding items, the company earned 21 cents a share. Revenue increased 34% to $43.3 million. Digene was expected to earn 14 cents a share on revenue of $40.8 million.

The company forecast first-quarter earnings of 20 cents a share on $45 million in revenue, vs. consensus estimates of 20 cents and $42.7 million. For 2007, Digene expects earnings of $1.02 a share on revenue of $192 million. Analysts are looking for earnings of $1.03 a share on revenue of $188.6 million. Shares gained $3.88, or 9.7%, to $44.

Multi-Fineline Electronix ( MFLX) plummeted in after-hours trading Tuesday when the Anaheim, Calif., electronics-parts maker saw a drop in third-quarter earnings. The company earned $8.3 million, or 32 cents a share, compared with $8.8 million, or 35 cents a share a year ago. Sales increased 54% to $130.3 million. Analysts were expecting earnings of 35 cents a share on revenue of $131.7 million. Shares tumbled $4.61, or 18.9%, to $19.75.

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