Gold edges higher as traders react to expanding trade war

(Bloomberg) -- Gold edged toward the record high set on Monday, as the Trump administration pressed ahead with probes that could broaden the US’s sweeping trade war.Most Read from BloombergHow Did This Suburb Figure Out Mass Transit?The Secret Formula for Faster TrainsEven Oslo Has an Air Quality ProblemNYC Tourist Helicopter Crashes in Hudson River, Killing SixLisbon Mayor Wants Companies to Help Fix City’s Housing ShortageBullion rose to near $3,223 an ounce, just over $20 below the peak set i