Oil prices extended losses on Monday as Saudi Arabia and Russia said they may increase supplies while U.S. production gains showed no sign of slowing.  Brent crude futures LCOc1 stood at $75.32 a barrel at 1805 GMT, down $1.12 from the previous close. The contract touched a three-week low of $74.49 earlier in the session. U.S. crude futures were at $66.47, down $1.41, after hitting a six-week low of $65.80. The spread between the two contracts CL-LCO1=R reached $9.38 a barrel, its widest since March 2015. Trading was light due to public holidays in the United States and United Kingdom. The Organization of the Petroleum Exporting Countries (OPEC) and other producers led by Russia began withholding 1.8 million barrels per day (bpd) of supplies in 2017 […]