Major Indexes Hit Record Highs as Oil Prices Slide on USIran Peace Deal Prospects Federal Reserve Chair Powell Vows Not to Be Shadow Chair as Historic Meeting with Former Chair Looms Wall Street Opens Higher as Iran Concerns Ease AI Optimism Boosts Futures SpaceX IPO Nvidia Earnings and Bezos on AI Bubble Highlight Morning Market Updates Silver Consolidates as Market Eyes Potential Breakout Toward 8125 Cancer Treatment Costs Already Hundreds of Thousands Could Rise Further Affordable Care Act Lessons from a Survivor Dropbox CEO Drew Houston Steps Down After 19 Years Transitions to Executive Chairman