Mumbai, Aug. 8 -- Crude oil prices slumped this week, with WTI futures crashing below $64 - their lowest level in two months - and booking a sharp 5% weekly loss, the steepest since June. Easing geopolitical tensions, particularly hopes of productive US-Russia talks on Ukraine, have cooled supply disruption fears. This overshadowed concerns over US sanctions on India for importing Russian oil and Trump's fresh 25% tariff on Indian goods, with threats of further tariffs on China. On the domestic front, MCX crude oil futures dropped by 1% to Rs.5550 per barrel, mirroring the global decline. Meanwhile, expectations of increased OPEC output and renewed global trade tensions are fueling worries about weakening demand and slower economic growth....