Hanoi, March 11 -- Persistent volatility in the global economy, fuelled by geopolitical conflicts, supply chain disruptions and softening trade demand, is elevating the importance of Vietnam's domestic market. With a population of more than 100 million and accounting for about 60-62% of GDP growth, domestic consumption is shifting from a mere cushion during export slumps to a strategic driver of sustained long-term expansion. Escalating tensions in the Middle East, especially those between the US and Iran, are rippling through energy markets. Threats to supply via the Strait of Hormuz have driven sharp swings in oil prices and international shipping costs, squeezing logistics expenses, raw-material prices and overall global trade. Vietnam...