2024-01-02 2024-01-15 2024-01-26 2024-02-08 2024-02-29 2024-03-13 2024-03-26 2024-04-10 2024-04-23 2024-05-09 2024-05-22 2024-06-04 2024-06-18 2024-07-01 2024-07-12 2024-07-25 2024-08-07 2024-08-20 2024-09-02 2024-09-13 2024-09-30 2024-10-15 2024-10-28 机械设备 沪深300 30% 20% 10% 0% -10% -20% -30%