Mumbai, Sept. 3 -- The dollar index is staying along the flat line on Wednesday morning in Asia after an over half a percent rise in the previous session. Investors remain on edge amid persistent trade-related uncertainties and renewed geopolitical risks stemming from the escalating Russia-Ukraine conflict and tensions in the Middle East. Meanwhile, focus shifts to the closely-watched US Nonfarm Payrolls (NFP) report, due on Friday for further cues. The dollar index that measures the greenback against a basket of currencies is quoting at 98.38, almost unchanged on the day. Yesterday, a sharp plunge in DXY basket currencies propped up the index. British pound tumbled around 1% against the dollar as UK's 30-year gilt climbed to their highes...