COMING SUNDAY

TRADING TALES: The explosion of stock “day trading” by small investors has come under attack by both regulators and old-line Wall Street, but is the criticism valid?

COMING MONDAY

CHIPPING AWAY: Chip giant Intel faces a confluence of threats that challenge its supremacy. Intel CEO Craig Barrett, above.

COMING TUESDAY

WALL STREET, CALIFORNIA

STOCK EXCHANGE: Michael Hiltzik and James Peltz delve into Dell Computer and do battle over Northrop Grumman.