Good morning! Here is what you need to know on Tuesday.

Crude oil rose to near 4-year highs after Saudi Arabia and Russia ruled out immediate production increases. Meanwhile,a senior Chinese official said on Tuesday that the US while Washington is putting "a knife to China's neck", a day after both sides heaped fresh tariffs on each other's goods.

Systrom is chief executive officer and Krieger is the chief technical officer at Instagram. Here's 5 red flags in the Instagram founders' goodbye letter to Facebook that make it obvious there's bad blood.

The approaches were exploratory and have not progressed, the newspaper report said, citing an investor familiar with the matter. The first round took place two years ago.

Billionaire Lampert, who also runs hedge fund ESL Investments, said the 125-year-old department store chain should take steps to reduce its debt load to $1.2 billion from $5.6 billion.

Walmart is among several other retailers such as Nestle trying to tap blockchain, a shared record of data kept by a network of computers to track food supply chain and improve safety. Last year, Nestle, Unilever, Tyson Foods and other large food and retail companies joined IBM's blockchain technology project.

The Air Force said it will eventually order 84 helicopters to be delivered from 2020 through 2032.

7. Standard Chartered said on Tuesday it will stop financing new coal-fired powered stations, joining the growing ranks of lenders and financiers ending support for the dirtiest fossil fuel amid rising concerns about climate change. StanChart said in a statement on its website that "save where there is an existing commitment, it will cease providing financing for new coal-fired power plants anywhere in the world."

Wages and prices are turning up but achievement of the BOJ's 2% target is taking more time than expected, Kuroda said.

When asked about the idea of a possible rerun of the 2016 EU referendum, Starmer said the exact question could not been decided until the outcome of Brexit talks was known, but that it would be wide enough to include the option of remaining in the bloc.

Duterte's approval rating, a measure of his performance, dropped 13 points to 75% in a survey of 1,800 voting-age Filipinos conducted by Pulse Asia this month.