We have another new leader as TheStreet.com's Beat the Street contest enters its final day.
"Mardan59" used an all-short portfolio made up mostly of "credit-crisis" plays such as mortgage insurers and banks to take over the top spot. The portfolio, which totaled $302,696.90 after Thursday trading, consists of MBIA(MBI Quote - Cramer on MBI - Stock Picks), PMI Group(PMI Quote - Cramer on PMI - Stock Picks), MGIC(MGIC Quote - Cramer on MGIC - Stock Picks), Washington Mutual(WM Quote - Cramer on WM - Stock Picks), MF Global(MF Quote - Cramer on MF - Stock Picks) and UAL(UAUA Quote - Cramer on UAUA - Stock Picks). The contestants are playing for a $5,000 prize. Check back tomorrow evening to see who won.


