US equity markets retreated, with both the S&P 500 and Nasdaq notching their first four-day losing streaks since January and hitting 2-month lows - Dow eased -46-points or -0.12%, unwinding an earlier rally of +238-points and logging its seventh negative session in the past eight. UnitedHealth Group Inc rose +2.15%, leading the gainers list for the 30-stock index for a second day after posting a stronger-than-expected first quarter result on Tuesday (16 April). Goldman Sachs Group Inc (up +1.78%) and Nike Inc (+1.55%) both rose over >1.5%.