HomeAway (AWAY) stole the spotlight among sector leaders Wednesday, as the stock showed the day's biggest gain and the hottest volume in this group of market leaders. HomeAway shot up 1.44, or 5%, to 29.44 as volume surged 2-1/2 times above its usual pace. No doubt the big move by Priceline.com (PCLN) had a hand in HomeAway's surge Wednesday. But HomeAway's breakout actually appeared Feb. 21, when the company's Q4 report showed some pleasant