National Discount Brokers
jumped 87.1% in early trading after
offered to buy the 84% it doesn't already control for $1 billion. That's $49 a share, nearly twice Monday's closing price of $25.25. NDB said it also had received offers from other companies. The news pushed other online brokers higher.
was up 6.7%,
was up 6.2%, and
was up 12.2%.