(Bloomberg) -- US and European equity futures fell Thursday after Federal Reserve Chair Jerome Powell warned of further rate hikes and as investors awaited a swathe of central bank decisions from the UK to Norway and Switzerland. Futures for the Euro Stoxx 50 fell around 0.9% to place the region-wide benchmark on track for a fourth consecutive session of declines. Contracts for the S&P 500 and Nasdaq 100 also drifted lower after the two benchmarks fell for a third consecutive session Wednesday. The action precedes a busy day for central banks, with monetary policymakers in England, Switzerland...