"Nobody should trade this way, " said one angry chat room note, spoofing the firm's own slogan.

FORBES: After the Bubble

News reports indicate that he left a suicide note in his room, and the New York Daily News mined his Facebook page for clues.

FORBES: On privacy, depression, and suicide

"Whatever is happening on the outside of him is like a fly buzzing around the room, something you occasionally take note of, " he said.

CNN: STORY HIGHLIGHTS