learn the trade

$NIO Inc (NIO.US)$ I started buying into this at 21.30. then it dropped to 19.50. I went in again at 19.40. it dropped to 18.13. I went in at 18.13. it dropped to 17.15. I went in at 17.15... now it dropped to below 16 today.
I went in at 16.20 now I go sleep.
despite all the down down and down. I did not lose a single cent. we make when it's going up as well as when it's going down. that's what we called Trading.