for the nuts and bolts on this fias fiasco, it s the impact on the markets and your own investments. alison kosik joins us now. just what was this massive trading bet all about? before it went south? reporter: fredricka, what jpmorgan essentially did was made a big game am. they made risky bets and lost. the bets they made were to protect against possible losses on jpmorgan s other investments, but clearly they backfired and the bets produced losses of their own. how did this come out? it came out in a surprise conference call that ceo jamie diamond called for lamon called. shares are down almost 8% right now. shares of others are getting hit hard right now. wall veit is worried about other banks wondering, you know what, if jpmorgan can do this and it s considered the stronger of the banks or the strongest of the banks, what kind of bets are the other banks making especially, once again, that aren t as strong as jpmorgan? fredricka? so the ceo, jamie dimon, had quite the