New system.

Here's what happened. Portfolio system from 20 American stocks, only long with an average time in position less than 2 days.
Everything would be nothing, but the whole trick is in stock selection, so there are doubts about this. Stock picking was subjective — stocks of AAPL type were selected, START and so on. — growing and volatile. Question, will they remain so in the future, will not turn into a semblance of MSFT.