Doubts about planned leveraged buyouts could remake the rules that have guided deal making during an unprecedented boom, leading buyers to consider seeking lower prices or pulling out.
Stocks dropped sharply Thursday, suffering their second-worst day of the year, with credit market worries returning to the fore after BNP Paribas suspended three funds, blaming a lack of liquidity.
Investment banks are rapidly retreating from offers to finance private-equity deals in the works as they confront a massive backlog of pending financings and a choppy credit market.