Dollar Strengthens Near SixWeek High as Geopolitical Tensions Over Iran Escalate Wall Street Hits New Records as Oil Prices Slide on USIran Peace Deal Optimism PNC Infratech Draws Brokerage Optimism With Strong Order Book Cash Position Warren Buffetts Tiny Purchase in March Possibly Revealed in Berkshire Filing Australian Stocks Close Higher as SPASX 200 Gains 069 Putin Retaliation Threatens Market Stability After Ukraine Drone Strike Bond Market Suggests Fed May Be Behind the Curve on Inflation as Kevin Warsh Assumes Leadership