Mumbai, Sept. 2 -- US 10-year Treasury yields have zoomed up today, hitting around three-year high of 4.81% amid soaring crude oil prices and firm cues on the economic front. The US labor market recorded 7.27 million job openings in July, the Bureau of Labor Statistics reported Tuesday, marking a modest rise from a revised 7.18 million the prior month. Layoffs and discharges dropped to 1.7 million, marking a six-month low. Manufacturing saw its fewest dismissals in over five years. In other data releases, economic activity in the US manufacturing sector expanded in August for the eighth consecutive month, according to latest ISM Manufacturing PMI update. WTI Crude oil futures tested six-week high above $90 per barrel today, keeping global...