why so many cryptocurrencies

Doing short-term stock trading is too tired and doesn't make money.Doing short-term stock trading is too tired and doesn't make money.I feel that it is very difficult to engage in stock trading recently. Patience, determination and mentality are not good. This market is too tired to do ultra-short-term work, and finally I don't make money!

Doing short-term stock trading is too tired and doesn't make money.Doing short-term stock trading is too tired and doesn't make money.

Doing short-term stock trading is too tired and doesn't make money.Doing short-term stock trading is too tired and doesn't make money.