Oil prices edged up on Monday as investors weighed the market implications of upcoming U.S.-Iran talks aimed at de-escalating tensions against a backdrop of expected OPEC+ supply increases.Brent crude futures settled 90 cents, or 1.33%, higher at $68.65 a barrel. U.S.<p><p>https://www.marinelink.com/news/oil-prices-increase-ahead-usiran-talks-535783</p></p>