1.   Buick dealers watched their business erode as first the minivan and then the sport-utility craze swept America.

2.   Commercial banks have been buying securities firms as Depression-era laws separating investment banking from other securities businesses erode.

3.   The acquisition comes as Depression-era walls that banned banks from investment banking and other securities businesses erode.

4.   The acquisitions are coming as Depression-era walls that banned banks from investment banking and other securities businesses erode.

5.   The acquisition comes as Depression era walls that banned banks from investment banking and other securities businesses erode.

6.   Delta Airlines said Thursday it swung to a fourth-quarter loss as the weak economy and sluggish travel business eroded revenues.