On February 20, Panorama reported that the Shanghai Composite Index fell more than 100 points due to the continued plunge in the afternoon in the concentrated sectors of financial, petrochemical and other heavyweight stocks. When the market fell, the off market speculative funds immediately aimed their firepower at selling rights and launched a fierce attack. Under the strong impetus of funds, the right to sell has risen. China Southern Airlines' put started from a flat market in the afternoon, with a maximum increase of 14.89%. Valin's put has soared from 5.41% down to 8.65% up, and the amplitude of both put options has exceeded 15%. and Wuliang YGP1 More importantly, due to the over limit increase, the trading was temporarily suspended twice. (Panorama/Thunderstorm)
