Signs of a market that’s finally tightening up help stimulate a modest rally in crude oil prices in early Tuesday trading. File photo by Monika Graff/UPI. April 4 (UPI) — Emerging signs of the stars aligning for tightening of energy supplies helped pull crude oil prices out of a rut with rallies emerging in early Tuesday trading. Crude oil prices lost ground Monday as crude oil production in Libya resurfaced following brief disruptions tied to conflict. Libya is among the members of the Organization of Petroleum Exporting Countries exempt from a deal to curb output in an effort to balance the market. Prices were moving higher in early Tuesday trading as investors waited for industry reports on supply and demand factors in the United States, the world’s leading economy. A survey of market conditions from S&P Global Platts indicates an expected decline in crude oil inventories of 200,000 barrels […]