Today's Tech Winners and Losers

Shares of Lam Research(LRCX) were among technology's winners Thursday, rising 6% after the semiconductor equipment maker posted better-than-expected third-quarter results and offered a guidance that topped forecasts.

For the quarter ended March 26, the company earned $86.3 million, or 60 cents a share, on revenue of $437.4 million. Excluding items, Lam earned $93.7 million, or 65 cents a share. Analysts polled by Thomson First Call expected earnings of 62 cents a share, before items, and revenue of $424.3 million. During the year-earlier quarter, the company earned $59.5 million, or 41 cents a share, on revenue of $349.3 million.

Looking ahead, Lam Research sees fourth-quarter earnings of 80 cents to 85 cents a share, with revenue of $490 million to $510 million. Analysts project earnings of 72 cents a share on revenue of $468.3 million. Shares were trading up $2.75 to $47.46.

Compuware(CPWR) shares fell 3% after the company issued mixed projections for its recently ended fourth quarter. The software maker sees earnings of about 13 cents to 15 cents a share for the March quarter, with revenue of about $308 million. Compuware said the earnings were helped by a lower-than-expected tax rate, which added about 2 cents to its bottom line. Analysts project earnings of 13 cents a share on higher sales of $317.6 million. The company sees full-year earnings of about 35 cents to 37 cents a share, in line with analysts' expectations of 35 cents a share. The company plans to issue fourth-quarter results on May 16. Shares were down 25 cents to $7.51.

Shares of Phazar(ANTP) tumbled 26% after the antenna maker posted a big drop in third-quarter earnings and sales. The company earned $41,185, or 2 cents a share, down from $239,792, or 10 cents a share, a year earlier. Revenue fell to $1.4 million from $2.2 million. In its quarterly report filed with the Securities and Exchange Commission, the company said "sales and income decreased in the third quarter when United States government orders for antennas and towers were not received as projected." Shares were down $3.47 to $9.85.