This week's theme in Your Weekly Review: duck and cover. A few leaders took out new highs, such as Inergy Holdings (NRGP), Perrigo (PRGO) and Estee Lauder (EL). A four-day advance left Nu Skin Enterprises (NUS) up 11% for the week. One of four cosmetics makers on this week's roster, the company on Thursday reported Q4 earnings well above consensus expectations. But most others cocooned further into corrections or staged pullbacks to their 10-week