Oil trades below $52 as investors remain wary over future supply

Bubbles form in lubricant oil inside a barrel at the Royal Dutch Shell Plc lubricants blending plant in Torzhok, Russia, on Wednesday, Feb. 7, 2018.
Bubbles form in lubricant oil inside a barrel at the Royal Dutch Shell Plc lubricants blending plant in Torzhok, Russia, on Wednesday, Feb. 7, 2018.

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