Crude has slumped about 30 percent from a four-year high in early October.
Why OPEC's Output Cuts Haven't Got Oil Bulls Excited Yet
WTI loses 22% for month, deepest slide since financial crisis.
Futures tumbled as much as 1.8 percent in New York, after sliding 2.6 percent in the previous two sessions.
Don’t Throw Out the Used Vegetable Oil, It May Power World Trade
Oil's Sell-Off Below $60 Ripples All the Way Along the Curve
Oil options traders have turned more bearish than when prices plunged back in 2014.
Two Words That Sent the Oil Market Plunging: Negative Gamma
IEA Welcomes Return of Oil Surplus After OPEC Production Surge
OPEC Sees Demand for Its Crude Declining Faster as Rivals Surge
Oil Consumers Help Long-Term Prices Defy Dip Toward Bear Market
Replacing Iran's Lost Oil Supply a Boon for Supertanker Fleet
Oil Slump Highlights Anxiety Over Weak Emerging Markets in 2019
U.S. President Donald Trump is redirecting global oil flows.
Oil trading at $85 a barrel hasn’t got producers excited just yet.
Goldman Sees Risk That Oil Will Hold $80+ on Iran, Hedging Moves
Iran's Tracked Oil Exports Hit 2 1/2 Year Low Before Sanctions
Oil Options Traders Buy Into Talk of Crude Topping $100 a Barrel
OPEC Sees U.S. Shale Oil Stealing Market Share Until Late-2020s
Shipping Lobby Proposes Phased Start to Historic Fuel Change
Shipping Rates Plunge as Owners Fret About Trade War Impact