Shares of American Power Conversion ( APCC) were among Nasdaq's losers Thursday, falling 9% after the maker of power protection systems posted third-quarter results that fell below Wall Street forecasts. The company earned $48.7 million, or 24 cents a share, on sales of $512.3 million. Analysts polled by Thomson First Call were expecting earnings of 28 cents a share on sales of $526.1 million. A year earlier, the company earned $67.2 million, or 34 cents a share, on sales of $441.7 million. Excluding a tax benefit and a charge, the company would have earned $55 million, or 28 cents a share, a year ago. Shares were trading down $2.19 to $22.08. Kanbay International ( KBAY) fell 25% after the information technology services company posted in-line third-quarter earnings, but warned that fourth-quarter results would fall short of expectations. For the third quarter, the company earned $8.7 million, or 23 cents a share, on sales of $59 million. Analysts had forecast of 23 cents a share on sales of $60.7 million. A year ago the company earned $7.6 million, or 22 cents a share, on sales of $50 million. Looking ahead, Kanbay forecast fourth-quarter earnings of 22 cents a share on sales of $58 million. Analysts had been expecting earnings of 26 cents a share on sales of $64.4 million. Shares were trading down $4.96 to $14.99. Shares of ASV ( ASVI) rose 14% after the maker of track-driven all-season vehicles posted better-than-expected third-quarter earnings and lifted its full-year forecast. The company earned $8 million, or 29 cents a share, on sales of $69.2 million. Analysts projected earnings of 23 cents a share on sales of $59.3 million. A year earlier, the company earned $4.4 million, or 17 cents a share, on sales of $40.6 million. ASV now expects 2005 earnings of 94 cents to 96 cents a share, up from a prior forecast of 85 cents to 89 cents. The company boosted its full-year sales estimate to $237 million to $242 million from $220 million to $230 million. Analysts had projected earnings of 88 cents a share on sales of $227.8 million. ASV shares gained $2.82 to $22.74.