日期开盘最高最低收盘成交量成交额1929-5-21312.70 316.40 308.30 314.10 44100001929-5-22311.90 311.90 300.50 300.80 48400001929-5-23300.80 309.50 300.40 308.10 38100001929-5-24308.10 313.30 304.30 305.60 32700001929-