Punjab, April 10 -- Supply shocks drive manufacturers' stockpiling, push shortages to a three-year high and transport costs to a four-year peak Asia reports weaker demand and soaring transport costs Cost pressures build in North America as demand remains soft European manufacturers safety-stockpile the most aggressively CLARK, N.J., April 10, 2026 /PRNewswire/ - GEP Global Supply Chain Volatility Index - a leading indicator tracking demand conditions, shortages, transportation costs, inventories and backlogs, based on a monthly survey of 27,000 businesses - signaled that global supply chain pressures rose to a three-year high in March, reflecting the immediate economic impact of the energy price shock and maritime disruption caused by the w...