JDS Uniphase ( JDSU) reaffirmed its earnings guidance for the fourth quarter. The San Jose, Calif.-based technology company expects revenue above the midpoint of the $160 million to $170 million revenue guidance range that was previously issued by the company on April 27. Wall Street's current consensus for the quarter is $165.9 million. The stock was up 7 cents, or 4.29%, to $1.70 in after-hours trading.

Greatbatch ( GB) said it now expects second quarter earnings of 21 cents to 23 cents a share, which includes 6 cents a share in certain charges for its previously announced Carson City and Alden plant moves. The company forecast revenue of $63 million. Greatbatch attributes the better-than-expected outlook to strong underlying market conditions in both medical and commercial product lines. Analysts expect a profit of 13 cents a share on revenue of $54.8 million, according to Thomson First Call. The stock was up $2.74, or 11.46%, to $26.65 in after-hours trading.

Apple Computer ( AAPL) reported earnings of $320 million, or 37 cents a share, for the third quarter ended June 25, compared with $61 million, or 9 cents a share, a year ago. The company said revenue for the quarter was $3.52 billion. Analysts expected earnings of 31 cents a share on revenue of $3.34 billion, according to Thomson First Call. Looking forward, Apple expects to earn 32 cents a share on sales of $3.5 billion for the current quarter, which is slightly below Wall Street's forecast of 33 cents a share on sales of $3.6 billion. The stock was up 95 cents, or 2.48%, to $39.30 in after-hours trading.

Walgreen ( WAG) announced that its board has increased the quarterly dividend by 23.8% to 6.5 cents from 5.25 cents. The annual dividend rate is now 26 cents a share. The new dividend will be payable on Sept. 12 to shareholders of record as of August 19. The stock was unchanged at $47.

Bell Microproducts ( BELM) announced that it has acquired Net Storage Computers, a Sao Paulo, Brazil-based distributor of storage products, in order to expend its presence in Latin America. Terms of deal were not disclosed but the transaction is expected to close during the second half of 2005. The stock was unchanged at $9.63.

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