Shares of Digital River ( DRIV) were among technology's losers Thursday, plunging 30% after the Web-development services company posted third-quarter results that topped forecasts but warned that 2006 earnings would be significantly below expectations. The company earned $12.4 million, or 31 cents a share, on sales of $53.2 million, for the third quarter. On an adjusted basis, which excludes one-time items or other costs, Digital River would have reported earnings of $18.9 million, or 50 cents a share. Analysts polled by Thomson First Call expected adjusted earnings of 48 cents a share on sales of $52.5 million. A year earlier, the company earned $8.1 million, or 22 cents a share, on sales of $39.4 million. Before items, earnings were $10.6 million, or 29 cents a share, a year ago. Looking ahead, Digital River forecast fourth-quarter adjusted earnings of 51 cents a share on sales of $57.1 million. The projection is slightly below Wall Street's prediction for earnings of 52 cents a share on sales of $57.9 million. For 2006, the company expects adjusted earnings of $1.44 a share on sales of $250 million. Analysts had forecast earnings of $2.39 a share on sales of $259.8 million. Shares were trading down $11.08 to $26.40. Amkor Technology ( AMKR) rose 19% after the contract semiconductor-assembly company posted a narrower-than-expected third-quarter loss and forecast fourth-quarter results above expectations. The company's third-quarter loss shrank to $19.4 million, or 11 cents a share, from $22.3 million, or 13 cents a share, a year earlier. Sales grew to $549.6 million from $490.8 million last year. Analysts expected loss of 19 cents a share on sales of $541.1 million. For the fourth quarter, Amkor projected results ranging from a loss of 2 cents a share to a profit of 2 cents a share. The company sees sequential sales growth of 6% to 8%, implying sales of $582.6 million to $593.6 million. Analysts had forecast a loss of 8 cents a share and sales of $576.2 million. Amkor's shares recently gained 83 cents to $5.20.