Mumbai, Aug. 22 -- WTI Crude oil prices extended upside after breaking above $80 per barrel and hit around a four-week high amid US-Iran standoff over the Strait of Hormuz. The US and Iran remain unresolved over restoring safe commercial navigation through the strategic Strait of Hormuz, fueling supply concerns and acting as a tailwind for crude oil prices. WTI crude oil futures added around 5% this week, gaining for a second week. Meanwhile, media reports suggest President Donald Trump said the US will launch the most crushing economic operation against Iran and threatened severe penalties on any nation that helps Tehran evade sanctions or does business with Iran. This can keep sentiments supported for oil in near term. Comfortable US crud...