Mumbai, March 4 -- COMEX Copper futures edged up today as markets eyed Chinese economic cues. China's manufacturing sector showed strong improvement in February, with business conditions expanding at the fastest pace in more than five years. The headline Purchasing Managers' Index (PMI) rose to 52.1 from 50.3 in January, remaining above the 50 mark for the third straight month. A reading above 50 signals growth in the sector. This propped up Copper after it tested around one-week low in last session. The counter currently trades up 1.76% at $5.93 per pound after losing around 2% in last session. Meanwhile, Asian markets tanked amid soaring crude oil prices. China's Shanghai Composite index lost 0.98%. Hong Kong's Hang Seng index fell 2% whi...