optionsXpress Holdings, Inc., (NASDAQ: OXPS) shares raced ahead 15.8% to $17.76, on volume of 12.7 million shares, compared to its average of 705,000. This, after an agreement under which Charles Schwab (NYSE: SCHW) will acquire optionsXpress, by which optionsXpress stockholders will receive 1.02 shares of Schwab stock for each share of optionsXpress stock.

Bank of America Inc. (NYSE: BAC) saw 93.6 million of its shares come and go Monday, in contrast to its average of 173.6 million. Share prices were flat, though, at $14.02.

Deer Consumer Products Inc. (Nasdaq: DEER) shares dipped 19.8% Monday to $8.85, on volume of 3.3 million shares, or about 10 times its norm.