Network Appliance ( NTAP) climbed after hours on positive earnings and a share buyback, though stocks were generally wishy-washy on a dearth of news after the closing bell Wednesday.

The data-storage-systems maker, based in Sunnyvale, Calif., posted non-GAAP income of $76 million, or 20 cents a share, for its fiscal first quarter -- a nickel decline from last year but also a penny over Thomson Financial's analyst estimates. Second-quarter earnings guidance, at 24 cents to 26 cents a share, leans to the higher end of consensus.

The company also said it will repurchase up to $1 billion of its shares on top of some $200 million left from prior authorizations. Shares ratcheted up $1.35, or 5.6%, to $25.51.

Salesforce.com ( CRM) was another postclose winner after swinging to a fiscal second-quarter profit of $3.7 million, or 3 cents a share, compared with a break-even EPS results last year. The San Francisco business-software maker also raked in 49.5% more revenue to a slightly-better-than-expected $176.6 million. Shares traded up 1.1% at $43.27.

Another tech name, CACI International ( CAI), added 1.7% to $46.09 on above-par fiscal-fourth-quarter income. The Arlington, Va., information-technology company made 67 cents a share for a 4-cent EPS beat, and sales of $520.4 million also comfortably topped the mean target.

Amgen ( AMGN), meanwhile, saw choppy trading after saying it will cut 12% to 14% of its headcount by 2008. The Californian biotech also trimmed at least a nickel from its 2007 earnings outlook to between $4.13 and $4.23 a share, blaming the downtick on declining revenue from one of its key products. Shares shed 1% to $50.10 in recent extended trading.

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