The early morning trend of the big cake rose from the low position of 68100, fluctuated up to 69300, and is currently fluctuating around 68900.
For the midday big cake: step back to the 68700-68500 area, and look to the 69400-69800 area
For the midday concubine: step back to the 3900-3880 area, and look to the 3960-4000 area