forex analysis

From the daily line chart point of view, it is indicated that the GBP/USD has broken the neck part of the big one that the shoulder part linked to the head part, whose top part stayed at the high level of 1.6300. And then, the forex price broke the support line of 1.5350 points after this...

To be a good traders or Analyst.. you must can combine between Fundamental and Technical analysis, yeah i know, prices moving reflect fundamental move, but how do you know or make sure that your support resistance were valid, or how did you know your trend will stop or penetration support...