Wall St slides as bank uncertainty lingers
* The White House said it strongly believed a privately held banking system was the correct way to go.
* The Dow Jones industrial average fell 100.28 points, or 1.34 percent, to 7,365.67. The Standard & Poor's 500 Index slid 8.89 points, or 1.14 percent, to 770.05. The Nasdaq Composite Index dipped 1.59 points, or 0.11 percent, at 1,441.23.
(Reporting by Rodrigo Campos)