Marketing services company Connexity Inc. said it has acquired price-comparison shopping site PriceGrabber for an undisclosed amount to form one of world's largest sources of "high-intent" shopping leads. Connexity said the combination of the two Los Angeles-based companies will form the second-largest product listing lead generation channel for retailers after Google and more than twice as large as similar channels or networks in other companies such as Amazon and eBay. PriceGrabber's shopping-focused...