Well, of course. Just because someone just decided to make a multi-million-dollar investment two trading days before the attack, on the assumption that certain stocks would drop precipitously, and tripled his money in a matter of a few days, would not indicate anything improper. There was nothing to suggest receipt of advance info from anyone who knew the attack was coming. </sarcasm> 8-)
If the trail led to Iraqi or bin Laden fronts, it would have been all over the news. This also ties in with reports that the Saudis have been uncooperative in freezing assets of bin Laden fronts