Chatter in Saudi is that MbS will take over in Saudi before 04JUL2018
https://twitter.com/mujtahidd/status/982921317447094272
Although it is not unlikely that MbS will take over soon, i.e. replace the present king, the date is just to drum up support against MbS.
Saudis Move to Push Oil Prices Higher, in Break From Past Policy
DUBAI—Saudi Arabia is maneuvering to push oil prices up to at least $80 a barrel this year, shifting away for now from its long-time role as a stabilizing force in global energy markets.
Crown Prince Mohammed bin Salman, the country’s day-to-day ruler, is behind the move, aimed at raising revenue as his government seeks to carry out a wide-ranging economic overhaul, senior Saudi officials said.
https://www.wsj.com/articles/saudis-move-to-push-oil-prices-higher-in-break-from-past-policy-1525457655
Oil price https://www.bloomberg.com/quote/CO1:COM