in trading there is also some luck otherwise you can't explain why good traders sometimes lose without reason if they make everything right, sotrading is also a form of gambling to me, but there is also skill in trading that you acquire with experience, not only with learning, trading is very akin to poker imho, they both can have a +ev if you know what you are doing
Luck is revolving through out our life. Not only in trading, investment but in every part of our . we can feel the luck from step to step in our life. Our all success in our life depend on our luck. Even skill hard work and struggle, experience, skill and knowledge are also important but after all luck is on top , and our all these activities are helping tools for our luck.