![]() Pravda | UBS to mark down auction-rate securities CNNMoney.com - TORONTO Thomson Financial - UBS (NYSE:UBS) AG said Friday it is cutting the value of auction-rate securities in its brokerage customers' accounts, the first confirmation that problems with the securities have eroded the principal holdings of investors. 3 Firms Are Asked for Data on Auction-Rate Shares UBS, Merrill, Bank of America Auction Sales Probed (Update4) |