666 points profit in DowJones

Fund management has always been a headache for me. May I ask you guys, how can I do a good job of position control?

Can retail investors make a lot of money by trading? How can I earn it?

Profitable & consistent daytraders, how much did you lose before making it?

Curious to know how my fellow traders are doing out there What is your personal amount/story?

Why can you see the general direction right, but make a bad point in the transaction, and lose money instead?

How to understand the phrase "the simpler the trading system, the better"?

What is the degree of simplicity here? Or the simplicity here is not what I thought, just use a few indicators, so what do you think of this sentence?