Credit Suisse First Boston, the investment banking unit of Credit Suisse Group (nyse: CSR - news - people ), was probed for similar practices by the U.S. Securities and Exchange Commission and the NASD.

FORBES: Fines, Findings May Bring IPO Case To A Head

Last year, Citadel, Merrill Lynch (nyse: MER - news - people ), UBS (nyse: UBS - news - people ), Credit Suisse Group (nyse: CSR - news - people ), Citigroup (nyse: C - news - people ) and Morgan Stanley (nyse: MS - news - people ) collectively bought up more than 80% of the Philadelphia Stock Exchange and are plowing resources into its electronic trading systems with a goal to route more stock order flow through it.

FORBES: A New Kind Of Exchange

"The environmental issue is very much a strong driver of what's going on, and it's not just related to energy pricing, " says John Cavalier, the chairman of the global energy group at Credit Suisse (nyse: CSR - news - people ).

FORBES: Ethanol Gusher!