Macy's, Wal-Mart invest in marketing, despite sour economy

Macy's, Wal-Mart invest in marketing, despite sour economyMacy's and Wal-Mart are not letting the troubled economy affect their spending on advertising and marketing. Macy's is working with research firm Dunnhumby to learn how to better target its various demographics to turn around its second-quarter sales drop, while Wal-Mart is ramping up its marketing and in-store communications in the second half of the year as it seeks to build upon a 10% hike in second-quarter sales and a 17% spike in profits.