Caused by the stock price in the past after the ex-rights will become a negative number of the main reason is that the stock has had a cash dividend caused by the reason is that in the calculation of the stock ex-rights, for the price of the stock in the ex-rights is to send a transfer of shares is to use the method of exclusion for the calculation, for the distribution of shares for the ex-rights treatment is to be allocated to the closing price of the previous price of the stock before the price of the stock multiplied by the proportion of the shares of the stock allocation ratio and divided by the share capital to the last expansion of the total number of shares. Proportion, and only cash dividends in the ex-rights for the ex-rights of the stock price before the direct deduction by subtraction, due to the stock in the past there are a number of cash dividends phenomenon, so in the stock price after the ex-rights of the negative numbers will appear.
While there is no limit on the number of percentage points that a Hong Kong stock can go up or down, it will not go down to a negative value because the stock is a real company, and it is a valuable thing, so the price will not go negative.
In the A-share market, there is a limit to the up and down stops of the stock, and the limit of up and down is 10% (the limit of up and down is 5% for ST shares and *ST shares), and when the stock price is below $1 for 20 consecutive trading days, the stock will be terminated, and the stock price will not be negative; in the Hong Kong stock market, the stock price may be in the situation of being below $1 for a long time, and it may be in the case of a few more cents, but its share price will not fall below $0 either.
The Hong Kong Stock Exchange operates a continuously traded market. Although it has always been the policy that shares of listed companies should be continuously traded as far as possible, to maintain a fair and orderly market, the Exchange may suspend or delist a company when it deems it appropriate and under the right conditions.
1. Failure by the issuer of a listed company to comply with the Listing Rules where the situation is serious.
2. Insufficient public float of the issuer's securities.
3. The issuer does not carry on business activities or possess sufficient assets to maintain the continued listing of its securities.
4. The issuer or its business is no longer suitable for listing.
5. Other prescribed matters.