Market Highlights

Wall Street traders sent stocks to all - time highs, bonds advanced while a rally in oil waned amid speculation about a diplomatic breakthrough in the three - month war that has rattled global markets . Equities rebounded on news reports the US and Iran have reached a tentative deal to extend a ceasefire by 60 days and launch further talks on Tehran’s nuclear program . The S&P 500 notched a six - day winning streak . Brent crude settled below $94 a barrel . Treasury yields dropped across the curve . The dollar fell against all developed - world currencies . The tech sector remained in focus with SpaceX lowering its IPO valuation target to at least $1.8 trillion, while Dell Technologies Inc . surged almost 40 % in extended trading on its sales outlook .