Shares of Netopia ( NTPA) were among technology's winners Tuesday, soaring 22% after the company agreed to be acquired by Motorola ( MOT) for $208 million in cash.

Motorola will pay $7 a share, representing a 25% premium to Netopia's closing price of $5.59 on Monday. The deal is expected to close early next year.

Separately, Netopia posted a fourth-quarter loss of $1.5 million, or 6 cents a share, on revenue of $31 million. Excluding stock-based compensation and amortization costs, the company earned $700,000, or 3 cents a share. Analysts polled by Thomson First Call expected earnings of 2 cents a share on revenue of $30.7 million. A year earlier, the company reported a loss of $1 million, or 4 cents a share, on revenue of $23.4 million. Shares were trading up $1.21 to $6.80. Motorola shares rose 30 cents, or 1.4%, to $21.47.

Agilent Technologies ( A) fell 6% after the maker of test and measurement equipment posted fourth-quarter results that missed expectations. For the quarter ended Oct. 31, the company earned $152 million, or 36 cents a share, on revenue of $1.33 billion. Excluding items, and including the results of Verigy, the company earned $215 million, or 52 cents a share. Analysts expected a profit of 54 cents a share, before items, and revenue of $1.53 billion. During the year-earlier period, the company earned $147 million, or 29 cents a share, on revenue of $1.25 billion.

Looking ahead, Agilent forecast first-quarter earnings of 36 cents to 40 cents a share and revenue of $1.25 billion to $1.29 billion. Analysts project earnings of 39 cents a share, with revenue of $1.26 billion. Shares were trading down $2.13 to $32.87.

Shares of Cognizant Technology ( CTSH) rose 3% after Standard & Poor's said it will add the information-technology services company to its S&P 500 index. Cognizant will replace Alberto-Culver ( ACV), which is moving to the S&P MidCap 400 index. Shares of Cognizant were adding $2.12 to $78.92.

Terabeam ( TRBM) sank 18% after the developer of wireless products posted a wider third-quarter loss and lower revenue. The company recorded a loss of $13.7 million, or 63 cents a share, on revenue of $17.9 million. Last year, the company reported a third-quarter loss of $10 million, or 47 cents a share, on revenue of $18.1 million. Shares were trading down 51 cents to $2.24.

Other technology movers included Intel ( INTC), up 23 cents to $21.23; Microsoft ( MSFT), up 5 cents to $29.30; Sirius Satellite Radio ( SIRI), down 2 cents to $4.09; Cisco Systems ( CSCO), down 10 cents to $26.58; Oracle ( ORCL), down 19 cents to $18.99; EarthLink ( ELNK), down 1 cent to $6.39; Sun Microsystems ( SUNW), up 1 cent to $5.39; Lucent Technologies ( LU), down 2 cents to $2.50; Qualcomm ( QCOM), up 30 cents to $36.50; Apple Computer ( AAPL), up 49 cents to $84.84; and E-Future Information ( EFUT), up $15.52 to $45.01.