Oil prices eased Thursday amid the stock market’s tumble and growing expectations that the production cut pact that helped sop up a glut of crude could be eased. Brent crude, the global oil benchmark, snapped a three day streak of gains to fall $1.01, or 1.27%, to $78.79 a barrel on London’s ICE Futures exchange. On the New York Mercantile Exchange, West Texas Intermediate futures fell $1.13, or 1.57%, to $70.71 a barrel—their biggest single day drop in over a month. Oil prices followed stock indexes lower after President Donald Trump called off a summit with North Korea. And Russian Oil Minister Alexander Novak said Thursday that Russia and other large producers would discuss relaxing their production cut agreement next month. Mr. Novak said he would discuss with counterparts from Saudi Arabia and other members of the Organization of the Petroleum Exporting Countries the possibility of a “gradual output […]