Oil edges lower as spread of Delta variant clouds prospects for demand
Oil prices dipped on Wednesday, a fifth day of declines with investors wary about prospects for stronger fuel demand as the use of rail, air and other forms of transport remained constrained amid surging COVID-19 cases worldwide. Brent crude was down 5 cents or 0.1% at $68.98 a barrel by 0139 GMT, having fallen 0.7%…