American Italian Pasta ( PLB) was one of the worst-performing stocks on the Big Board Wednesday after delaying its earnings report in order to probe accounting irregularities. When it does report earnings, the company says it will show losses for both the third quarter and year, citing weak sales and various charges. American Italian said its board's audit committee is probing internal control weaknesses, needed restatements and past bookkeeping errors. The stock was recently down $6.98, or 33%, to $13.96. Shares of Astea International ( ATEA) rocketed higher after saying second-quarter earnings more than doubled. The software company earned $649,000, or 21 cents a share, in the quarter, compared with earnings of $309,000, or 11 cents per share, a year earlier. Revenue rose 21% to $5.4 million, including a 29% gain in license revenue. In relatively heavy trading for the illiquid stock, shares were recently up $2.71, or 40%, to $9.36. Morningstar ( MORN - Get Report) was another Nasdaq winner after reporting solid second-quarter numbers. The stock- and mutual fund-rating shop earned $9.5 million, or 22 cents a share, in the latest quarter, compared with $1.3 million, or 3 cents a share, last year. Revenue jumped 30% to $56.2 million. Revenue in Morningstar's individual segment was $15.6 million in the second quarter of 2005, a 57% increase from the second quarter of 2004. Revenue in its adviser segment was $18.8 million, a 16% increase. In recent trading, the stock was up $3.78, or 14%, to $31. Benthos ( BTHS) caught fire after the oceanographic products maker said third-quarter sales jumped 17% from a year ago to $6.7 million. The company earned $516,000, or 29 cents a share, in the quarter, compared with $456,000, or 31 cents a share, last year. By segment, Benthos said sales in its undersea systems division rose 12.6% from a year ago to $3.8 million, while sales in its TapTone unit rose 22% to $2.9 million. The stock was recently up $2.44, or 23%, to $13.20. Greenfield Online ( SRVY) plummeted as a series of stock downgrades greeted its second-quarter earnings report. Tuesday night, Greenfield said it earned $19.2 million, or 75 cents a share, in the quarter, compared with $1.7 million, or 10 cents a share, a year ago. Revenue rose 157% from a year ago to $26.3 million. Greenfield lowered its full-year revenue guidance to a range of $95 million to $99 million, saying "our bid volume in the second quarter was essentially flat in the U.S. and globally does not support the level of revenue represented by our prior revenue guidance for the remainder of the year 2005." The stock was downgraded by Piper Jaffray, Lehman and Friedman Billings Wednesday and was recently off $3.30, or 27%, to $8.95.