NEW YORK ( TheStreet) -- Retail fourth-quarter earnings are out this week, and Wall Street is waiting to hear some color on how sourcing costs will affect companies in the second half of the year. Wal-Mart ( WMT) is in focus, a barometer to the health of the shopper. VF Corp ( VFC), Office Depot ( ODP), Macy's ( M), Home Depot ( HD), Barnes & Noble ( BKS) and RadioShack ( RSH) are also scheduled to report results on Monday. --Written by Jeanine Poggi in New York. >To contact the writer of this article, click here: Jeanine Poggi. >To follow the writer on Twitter, go to http://twitter.com/jpoggi. >To submit a news tip, send an email to: firstname.lastname@example.org.