Wal-mart wants every CD you buy to cost less than ten bucks. And the nation's largest retailer -- which moved a quarter of a trillion dollars' worth of goods last year -- usually gets its way. Suppliers who don't accede to Wal-Mart's "everyday low price" mantra often find their products bounced from the chain's stores, excluded from being sold to the 138 million people who shop at a Wal-Mart store every week. (Rolling Stone)