Friday's Tech Winners & Losers

Shares of Hittite Microwave(HITT Quote) were among technology's winners Friday, jumping 13% after the company posted better-than-expected fourth-quarter results and offered an earnings guidance above Wall Street's forecast.

Hittite, a maker of chips used in radio-frequency devices, earned $12.1 million, or 39 cents a share, in the quarter. Analysts polled by Thomson First Call expected earnings of 34 cents a share. Revenue totaled $35.4 million, compared with Wall Street's estimate of $34.8 million. A year earlier, the company earned $7.1 million, or 23 cents a share, on revenue of $22.7 million.

For the first quarter, Hittite sees earnings of 36 cents to 38 cents a share, above analysts' projection of 33 cents. The company sees revenue of $35 million to $36 million, compared with Wall Street's forecast of $36.1 million. Shares were trading up $5.17 to $43.33.

Stamps.com(STMP Quote) vaulted 18% after the online seller of postage stamps reported earnings that topped expectations. The company earned $4.7 million, or 20 cents a share, in the fourth quarter. Excluding stock-based compensation costs, earnings were $5.1 million, or 22 cents a share, beating analysts' forecast by 2 cents. Revenue totaled $25 million, compared with Wall Street's target of $24 million. A year earlier, the company earned $4.1 million, or 17 cents a share, on revenue of $20.6 million.

Stamps.com's forecast adjusted earnings of 80 cents to 90 cents a share, with revenue of $90 million to $100 million. Analysts project earnings of 84 cents a share on revenue of $98.1 million. After the report, First Albany upgraded the stock to buy from neutral. Shares were trading up $2.56 to $16.86.