Summary:EUR/USD slips below 1.1500 as a hawkish Federal Reserve strengthens the US dollar, lifts Treasury yields, and pressures the euro.EUR/USD traded lower on Thursday, slipping below the key 1.1500 level as investors continued to react to the Federal Reserve's latest policy decision. The currency pair came under renewed pressure after the US central bank struck a more hawkish tone than markets had anticipated, boosting Treasury yields and strengthening demand for the US dollar.