Lawyers and bankers say three factors are coming together to lubricate deal flow: the improving economy, reinvigorated credit markets and stock valuations that remain low enough to encourage poaching.

• 律师和银行家说，有三个因素合力为交易流提供了“润滑”：经济形势的好转、信贷市场的复苏，和依然低得足以吸引买进的股票估值。