Books sales are flat, discount super-centers like Wal-Mart have gobbled up half the best sellers and no one touches Amazon online.

FORBES: Booking Losses

Intensifying price pressure from super-discounters like Wal-Mart ( WMT), Target ( TGT) and Costco ( COST) threaten to make margins even slimmer.

FORBES: Safeway Shares Should Get More Respect

Wal-Mart ( WMT) is super impressive.

FORBES: Can G7 Call Provide Hope for Market?

Cursed with slender profit margins and price-cutting competition from Wal-Mart, supermarkets have been anything but super for years.

FORBES

In past years, Wal-Mart could rely on big sales of flat-panel TVs and party accessories during the week before the Super Bowl.

WSJ: Rich Karlgaard: Wal-Mart's Sales Problem��And America's