Key Takeaways "The dollar's supremacy is cracking," Nigel Green, founder of financial advisory firm deVere Group, wrote Wednesday morning. "When leaders and policymakers appear unconcerned about sharp declines, traders assume volatility will persist." Some dollar watchers are now looking toward what Fed Chair Jerome Powell might say about the dollar later today after the central bank's latest interest-rate decision. Over the longer term, many strategists expect gold prices to continue climbing, and weakness ...