UBS on Trump's tariffs:We anticipate further volatility amid tariff concernsWe continue to expect gains for the S&P 500See the index reaching 6,600 by year-endUBS cite:a solid US economyhealthy corporate earnings growthfurther advancements in AIas supportive for a further rally. Update: This article was written by Eamonn Sheridan at www.forexlive.com.