GLOBAL MARKETS-Stocks ease after BoE minutes stun markets

* Stocks fall, BoE minutes raise specter of rate hike * Fed minutes also on tap later in day * Euro below $1.33 for first time in nearly a year (Adds opening of U.S. market; changes dateline; previous LONDON) By Herbert Lash NEW YORK, Aug 20 (Reuters) - Global equity markets eased on Wednesday on a spate of poor corporate results and the release of Bank of England minutes that showed two of the bank's policymakers unexpectedly voted earlier this month for a rate hike. Sterl