Shares of Polo Ralph Lauren ( RL) were among the NYSE's winners Monday, jumping 12% after the clothing company boosted its fiscal first-quarter projections. For the period ended July 3, Polo Ralph Lauren now sees revenue growth in the mid-20% range, up from an earlier view of a high-teens to low-20% range. The company expects operating margins will rise 200 to 300 basis points from the year-ago period. Previously, the company said that margins would be slightly lower than last year's first quarter. Polo Ralph Lauren attributed the better outlook to strong worldwide demand for its products, with increased full-priced product sales. The company plans to release its first-quarter results on Aug. 8. Shares recently were trading up $5.85 to $53.75. Shares of UAL ( UAUA), the parent company of United Airlines, rose 6% after the company projected second-quarter results ahead of expectations. The company estimates earnings of $119 million, or 93 cents a share, on revenue of $5.1 billion. Excluding a severance charge, the company expects to post earnings of $141 million. Analysts project earnings of 46 cents a share on revenue of $5.04 billion. "We expect to report results that exceed current second-quarter consensus expectations because of the continuing benefits of our restructuring, strong revenue growth and our cost control efforts," the company said. UAL plans to report its full second-quarter results on July 31. Shares were trading up $1.50 to $28.45. Astec Industries ( ASTE) fell 15% after the construction-equipment maker posted weaker-than-expected second-quarter results. The company earned $12.4 million, or 56 cents a share, on revenue of $191.3 million. Analysts expected earnings of 66 cents a share on revenue of $204.6 million. During the year-earlier period, Astec earned $10.2 million, or 49 cents a share, on revenue of $170.8 million. "These results would have been even better but for certain negative events occurring at the end of the quarter that were beyond our control," said the company, which didn't provide further information on the "negative events." Shares were down $4.12 to $23.52.