Why this happens remains unclear, but one possible explanation is that the falling prices were caused by traders' tendency to exit risky positions when feeling strung up.

There is a tendency in this pose, especially for beginners, to have the weight shifted inward inside of the front leg due to the natural fear of falling backward.

Protective enzyme activities such as SOD, CAT of materials showed the variation tendency of falling after rising, and the variation tendency of SOD, CAT of them were semblable.