31. Oil producers YPF SA and Astra Capsa also declined as lower oil prices threaten to hurt next year's profits. 32. Astra Capsa , owned by Spanish oil giant Repsol SA, increased 4.94 percent to 1.7 pesos. 33. Astra Capsa , controlled by Spain's Repsol SA, rose 2.2 percent to 1.6 pesos. 34. "' Capsa Free Edition "'is a freeware Ethernet packet analyzer designed by Colasoft for personal use. 35. Astra Capsa surged 5.26 percent to 2 pesos while YPF rose 1.68 percent to 27.2 pesos. 36. Astra Capsa surged 6.3 percent to 2.02 pesos while YPF rose 2 percent to 27.3 pesos. 37. Argentina's Astra Capsa and its associate Pluspetrol Resources Corp have taken control of an electricity generating company in northwestern Argentina. 38. Astra capsa , an oil company controlled by Spain's Repsol SA, rose 3.9 percent to 1.59. 39. "' Capsa Professional Edition "'is an Ethernet packet analyzer designed for networking professionals or small business network administrators. 40. Perez Companc SA rose 0.36 percent to 8.3 and Astra Capsa rose 0.85 percent to 1.77.