Dow posted a record close, while oil gained after the recent tit-for-tat and with conflicting reports on whether US-Iran talks will take place on Tuesday.

Stocks were poised for gains and oil prices held near prewar levels Monday as investors welcomed a U.S.-Iran agreement to stop fighting.

US and Iran strikes resumed over the weekend, though reportedly agreed to halt strikes and meet this week; Iran rejects Trump's claim that talks are to take place this week; Iran…