Ulta Beauty posted favorable financial results for the second quarter and first six months, which ended July 30, 2011. For the second quarter, net sales increased 22.6% to $394.6 million. Comparable store sales (sales for stores open at least 14 months) rose 11.3%, while operating income leaped 78.2% to $39.7 million. Net income climbed 83.0% to $23.9 million. For the first six months, net sales rose 21.6% to $780.6 million. Comparable store sales increased 11.2%, and operating income im...