Crude oil prices ended one of their longest streaks of gains in years as doubts over possible production action gained traction in early Monday trading. Crude oil prices broke through the psychological threshold of $50 per barrel last week, an increase of more than $10 per barrel since Aug. 1, in reaction to comments made by Saudi Oil Minister Khalid al-Falih of “possible action” from major producers. A so-called freeze proposal was tabled in early 2016 by Russia and members of the Organization of Petroleum Exporting Countries, though that effort collapsed in late spring amid multilateral differences about market share. An Aug. 9 note from Morgan Stanley said gains since the drop below $40 […]