The following charts highlight the significance of Support and Resistance levels and the need to monitor them on your charts. I will add to this list as examples present themselves.

Example: ASX-200 daily: note how the whole-number 6,000 level featured strongly for the ASX-200 from June 2020 until September 2020:

Example: FEZ monthly: the 45 level seems to to be one to watch with FEZ: