The Voluntary Eight (V8) — Saudi Arabia, the UAE, Oman, Kuwait, Iraq, Kazakhstan, Algeria and Russia — announced on Sunday they would increase oil production by 547,000 barrels a day in a move that analysts say aims to regain market share amid resilient crude prices. As currently they produce about 41 to 42 million barrels a day, the increase would be about 1.5 per cent, though analysts believe