Thursday's Tech Winners & Losers

Updated from 11:52 a.m. EDT

Technology stocks were active Thursday as positive earnings news drove stocks higher.

Symantec(SYMC) rose 4.8% after the software company posted better-than-expected fourth-quarter results. The company earned $60.9 million, or 7 cents a share, on revenue of $1.36 billion. Excluding items, the company earned $227 million, or 24 cents a share. Analysts polled by Thomson Financial expected earnings of 20 cents a share on revenue of $1.27 billion. During the year-earlier quarter, the company posted adjusted earnings of $279 million, or 26 cents a share, on revenue of $1.24 billion.

Looking ahead, Symantec sees fiscal 2008 adjusted earnings of $1.10 to $1.15 a share on adjusted revenue of $5.65 billion to $5.75 billion. Analysts project earnings of $1.09 a share on revenue of $5.36 billion. Shares closed up 88 cents to $19.05.

Elsewhere, shares of Sirenza Microdevices(SMDI) tacked on 19.2% after the supplier of radio-frequency components posted better-than-expected first-quarter results. The company posted adjusted earnings of $6.2 million, or 12 cents a share, on revenue of $39.1 million. Analysts expected earnings of 10 cents a share on revenue of $37 million. During the year-earlier quarter, the company reported adjusted earnings of $3.4 million, or 9 cents a share, on revenue of $20.9 million. Shares closed up $1.76 to $10.92.

Meanwhile, telecom supplier Andrew(ANDW) climbed 9.7% after it posted second-quarter results that topped forecasts. The company reported a loss of $2 million, or 1 cent a share, on revenue of $502.7 million. Excluding items, the company earned 9 cents a share. Analysts expected earnings of 7 cents a share on revenue of $500.8 million. During the year-earlier quarter, the company earned $3.6 million, or 2 cents a share, on revenue of $481.7 million.

Looking ahead, Andrew now sees full-year adjusted earnings of 57 cents to 63 cents a share, up from an earlier forecast of 48 cents to 56 cents a share. Andrew sees full-year revenue of $2.2 billion to $2.3 billion. Previously, the company forecast revenue of $2.2 billion to $2.33 billion. Analysts project earnings of 50 cents a share on revenue of $2.24 billion. Shares closed up $1.09 to $12.36.