From Longman Business Dictionary
divergedi·verge /daɪˈvɜːdʒ, də--ɜːrdʒ/ verb [intransitiveI]ECONOMICS if two or more rates of interest, unemployment etc diverge, the difference between them becomes largerBusiness cycles in different EU countries currently diverge significantly.
→ compare converge —divergent adjectiveadjUS stocks had widely divergent performances, with blue chips weakening as many technology issues made gains.
—divergence noun [uncountableU]the divergence between British and continental interest rates