Shares of SigmaTel ( SGTL) were among technology's winners Wednesday, vaulting 31% after the chipmaker posted better-than-expected second-quarter results. The company earned $2.9 million, or 8 cents a share, on revenue of $43.8 million. Excluding a tax benefit and other one-time items, the company recorded a loss of $3.3 million, or 10 cents a share. Analysts polled by Thomson First Call expected a much wider loss of 51 cents a share and revenue of $42 million. A year earlier, the company posted adjusted earnings of $11.1 million, or 30 cents a share, on revenue of $69.6 million. Separately, SigmaTel announced the sale of its PC audio line to Integrated Device Technology ( IDTI) for about $80 million. The PC audio business represented about 20% of SigmaTel's overall revenue during the second quarter. For the third quarter, SigmaTel sees an adjusted loss of 29 cents to 37 cents a share on revenue of $36 million to $42 million. Without taking into account the sale of the PC audio product line, the company would have projected revenue of $42 million to $50 million. Analysts project a loss of 30 cents a share on revenue of $53.6 million. Shares were trading up $1.18 to $5.03. Manhattan Associates ( MANH) jumped 13% after the supply-chain software maker posted better-than-expected second-quarter results. The company earned $7 million, or 25 cents a share, on revenue of $77.9 million. Analysts expected earnings of 27 cents a share on revenue of $68.7 million. During the year-earlier period, the company recorded adjusted earnings of $7.5 million, or 25 cents a share, on revenue of $61.4 million. Looking ahead, Manhattan Associates sees third-quarter earnings of 22 cents to 27 cents a share, before certain items. Analysts project earnings of 25 cents a share. Manhattan Associates shares were trading up $2.48 to $21.40.