It proposed guidelines to address common conflicts of interest and dubious practices. It would force more underwriter disclosure to try to stop "spinning," the now-banned practice of doling out hot IPOs to CEOs being courted for banking work. They would ban market orders on the first post-IPO trading day to protect investors getting orders filled at sky-high prices that the stock never hits again. Limit orders would be OK. ----- That second part must be an early April 1 joke, right ------