1, yes, stock index futures (that is, the 300 index you said) are much more rational. After all, individual stocks are easily manipulated by the main force, and the probability of the market being manipulated by the main force is too small.

2, stock index futures, if short-term, it is best to look at the MAC technical indicators for 5 minutes or 15 minutes. If this indicator is strictly followed, it will definitely be profitable in the end.

3. Margin trading is basically aimed at large institutions. There is no need for American retail investors to do that, and it is also troublesome to deal with more securities companies. It is still not easy to grasp individual stocks.

My commission on stock index futures is 0.8 per ten thousand. According to today's 120 1 contract, the first-hand transaction fee is about 136 yuan.