The bull is potency and rage in one massive body — fertility's ancient symbol and the charge that follows the red cape. It asks whether your power is directed or merely provoked.
Positive Resonance
Potent strength, fertile force, the market's optimism (bull)
Shadow Aspect
Rage provoked by waving cloth, the china shop's fear
Nuances
Charging bull: provoked power in motion
Bull at rest: potency held
Bullfight: the ritualized battle with force
Grabbing the horns: confronting the problem directly