I feel like i miss the boat or missing the even bigger one. 
As i want to develop new skills on trading i would like to know more about trader sources. What sites they use or which news sources they follow. And is there any book e-book you can advice? Thank you all answers!
Doing trade on small level and experience the profits & losses is the best source to learn the tradin, Practice makes a man perfect. Otherwise you can find good stuff for learning on YouTube , Bitcoin forum and other online trading sites etc. As i want to develop new skills on trading i would like to know more about trader sources. What sites they use or which news sources they follow. And is there any book e-book you can advice? Thank you all answers!