Updated from 1:56 p.m. EDT

Shares of NetIQ ( NTIQ) were among technology's losers Monday, falling 8.2% after the company warned that third-quarter financial results would be lower than expected.

The software company now expects adjusted earnings to be below its previous guidance of 2 cents to 5 cents a share. Sales are now expected to be between $61 million and $63 million, below previous guidance of $67 million to $70 million. Excluding the NetIQ's WebTrends business, which the company agreed to sell last week, sales are expected to be $50 million to $52 million. Analysts had been expecting earnings of 4 cents a share on sales of $67.7 million. The company said its closure rate on small- and midsize deals was lower than expected. Shares traded down 92 cents to $10.36.

Shares of Nam Tai Electronics ( NTE) rose 4.8% after the manufacturer of electronic components previewed first-quarter sales of $156 million. The results exceeded Nam Tai's previous guidance, which called for sales that could reach as high as $155 million. A year ago, the company posted sales of $95 million. Analysts had been expecting sales of $151.4 million. Nam Tai attributed the strong results to its expanded production capacity, which resulted from construction that was completed ahead of schedule. Shares traded up $1.25 to $27.28.

Shares of Altair Nanotechnologies ( ALTI) rose 14.3% after the company signed a mutually exclusive development agreement with Advanced Battery Technologies ( ABAT). The deal calls for Altair to incorporate its battery electrode nanomaterials into Advanced Battery's existing polymer battery product lines. The companies will use their complementary technologies to develop high power, lithium polymer batteries that will be used in electric vehicles. Financial terms of the deal were not disclosed. Shares of Altair traded up 51 cents to $4.09, while shares of Advanced Battery traded up $1.53, or 278.2%, to $2.08.

Despite posting a year-over-year decline in fourth-quarter earnings and sales, Castelle ( CSTL), a maker of network fax servers, rose 23.7% Monday. Excluding a noncash tax benefit, the company posted earnings of $333,000, or 7 cents a share, on sales of $2.54 million. A year ago, the company posted pro forma earnings of $395,000, or 9 cents a share, on sales of $2.64 million. The most recent results marked the 14th straight quarter of profitability for the company. For 2004, the company posted pro forma earnings of $1.05 million, or 24 cents a share, on sales of $10.46 million. A year ago, the company posted pro forma earnings of $1.11 million, or 26 cents a share, on sales of $10.21 million. Shares traded up 69 cents to $3.60.

If you liked this article you might like

Thursday's Tech Winners & Losers

Thursday's Tech Winners & Losers

Thursday's Winners & Losers: FTD

Thursday's Winners & Losers: FTD

Wednesday's Winners & Losers: Superior Offshore

Wednesday's Winners & Losers: Superior Offshore

Wednesday's Tech Winners & Losers

Wednesday's Tech Winners & Losers

Tuesday's Winners & Losers: Fossil

Tuesday's Winners & Losers: Fossil