Oil prices tanked more than two per cent on Wednesday as Opec+ producers unexpectedly delayed a meeting on production cuts, raising questions about global crude supplies. Brent futures fell $2.02, or 2.5pc, to $80.43 a barrel by 12:35 p.m. (1735 GMT), after falling as low as $78.41. US West Texas Intermediate crude was down $2.04, or 2.6pc, at $75.73, after hitting a session low of $73.79. O