Nerfed Legendaries?

I had 3 of my legendaries nerfed sometime between 3 AM-now. The LOB (1106 x3, 4,000+ fire), Compressing Storm (6,000+ damage, 8,000+ shock), Peerless Hellshock (1163 x2, 2071 fire/lightning)? How did this happen? I had it just this morning 2 AM EST.