* Earnings, inflation data help shares regain poise* U.S. bond prices fall as consumer prices edge up* Oil slips toward $86 after big jump in US crude stocks(Adds U.S. market open, byline, dateline; previous LONDON)By Herbert LashNEW YORK, Oct 22 (Reuters) - Global equity markets edged higher on Wednesday, lifted by a raft of solid corporate results and benign U.S. inflation data that may encourag