You can use anti-virus software such as 360 to kill viruses and clean up memory and garbage. If not, change to a host that doesn't play online games.
It's really troublesome to delete individual stocks in stock selection, so we must delete them one by one. My method is to create a new self-selected stock, first move the stocks needed in the original self-selected stock to the new self-selected stock, and then delete the original self-selected stock folder.
I feel very good about the accuracy of stock selection, and great wisdom has long given us a blue sky of "technical indicators for self-editing and personal use".
To achieve accurate stock selection, it is necessary to have 1 and accurate after-hours data, and then make stock selection after supplementing the data.
2. There is no problem with stock selection indicators.
3. The stock selection conditions are set reasonably. Note that it is normal not to choose stocks according to the conditions given by an indicator in a certain period of time, especially the trend stock selection indicator.