Oil prices rose slightly on Thursday with some investors keen to buy at what they perceive to be bargain levels, but persistent gluts of crude and refined fuel kept gains slight. Brent crude futures LCOc1 were up 23 cents at $44.37 a barrel by 0908 GMT. International benchmark Brent is still down more than 10 percent this month and 22 percent this year, having slumped from as high as $115 in 2014. “People are seeing oil at these very low levels and so they want to step in,” said Hans van Cleef, senior energy economist at ABN Amro in Amsterdam. “Some have a focus on an outlook for increased demand and a view that at some point the market will balance, but the oversupply is capping gains.” Any rise is seen as vulnerable, with Brent […]