Retail and other consumer names accounted for a big chunk of the stocks hitting 52-week highs Wednesday, thanks to strong earnings reports. Volume was mixed, however. HomeAway (AWAY), an online marketplace for vacation rentals, jumped 5% to a new high in huge volume. It got a boost from travel website Priceline.com 's (PCLN) blowout fourth-quarter earnings report. Priceline gapped up 3%. Better-than-expected results from discount retailer Dollar