Mumbai, Feb. 4 -- The J.P.Morgan Global Manufacturing PMI - a composite index produced by J.P.Morgan and S&P Global Market Intelligence in association with ISM and IFPSM - rose to 50.1 in January, to signal the first (albeit marginal) improvement in operating conditions for seven months. Regional variations remained marked, with business conditions being affected by, among other things, the possibility of US tariffs being imposed during the coming year.

Three of the five PMI sub-indices - output, new orders and suppliers' delivery times - had positive influences on the headline figure at the start of the year. In contrast, employment and stocks of purchases continued to decline. January saw global manufacturing production nudge back into e...