"The WTI crude oil price closed above the USD 50 mark for the first time in eight months, resulting in a cheerful rally in energy stocks," said Margaret Yang, an analyst at CMC Markets in Singapore.
The market is expecting US Department of Energy weekly crude inventory numbers to drop further after recent losses, with an anticipated fall of 3.25 million barrels, she added in a note.
At about 0930 IST today, US benchmark West Texas Intermediate (WTI) for July delivery was up 11 cents at USD 50.47 a barrel while Brent North Sea for August delivery was up three cents at USD 51.47.
US dollar weakness is also a key factor in this week's oil bounce.
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Federal Reserve chief Janet Yellen said Monday that despite a weak jobs report, the US economy was on track towards recovery, and any hike in borrowing costs would be gradual.
"Markets digested Yellen's seemingly dovish comments, with risk appetite tentatively making a comeback," IG analyst Bernard Aw wrote in a note.