MarketWatch | Oil gains for the week, buoyed by potential US-North Korea meeting MarketWatch Oil prices received a boost on Friday, notching a gain for the week, as the possibility of a meeting between U.S. President Donald Trump and North Korea's leader prompted investors to take some geopolitical risk out of the equation for the crude market ... Oil hits three-week low amid heightened supply, dollar strength Crude oil futures up a little as market eyes US tariff news Oil prices rise more than 2 pct amid broad market optimism |