According to your question, using 300 thousand yuan to make money in one month, combined with our current social and economic situation and economic structure, it is very risky to invest with this 300 thousand yuan. For example, investing in stocks is more risky, and the time for investing in funds and futures is not enough except for risks. It is also difficult to withdraw funds from investment transactions within one month, because the goods purchased in batches of 300,000 yuan cannot be sold at all within one month. Besides,

Therefore, there is only one investment direction. If you deposit 300,000 yuan into ICBC's current account, you can get the stable interest of 1 10 yuan every month (the current annual interest rate is 0.44%), and there is no risk, and you can also get a large deposit from ICBC.