[] () a market in which the prices of shares, bonds, etc. are set by buyers and sellers who know all the current information that affects their value, with the result that prices are always accurate有效市场（股票、债券等的价格由知悉所有现有信息的买卖双方共同制订，因此所定价格总是准确的）◆In an efficient market, news of financial difficulties will have an immediate effect on a company's share price.在有效市场上，财务困难的消息将会直接影响公司的股价。