Iran-US Tensions Trigger Sharp Market Downturn; Sensex Falls 600+ Points

On July 13, 2026, Indian benchmark indices opened sharply lower as Iran-US tensions escalated, a direct manifestation of how geopolitical risk permeates emerging market economies. The BSE Sensex declined 0.82% while Nifty 50 slipped 0.78%, though IT stocks bucked the downtrend. This reflects three critical dynamics: (1) Oil price volatility affecting India's import bill and current account deficit, (2) Foreign portfolio investor (FPI) outflows during risk-off sentiment, (3) Rupee depreciation concerns amid dollar strength. For UPSC candidates, this illustrates the India-Iran strategic partnership complexities (Chabahar port, energy ties, nuclear accord implications) and how external shocks impact domestic macroeconomic stability. The IT sector's resilience versus broader market weakness indicates sector-specific decoupling. Historically relevant to questions on India's oil dependency (77% import reliance), geopolitical risk premiums, and RBI's foreign exchange management. Expected exam angles: How do commodity price shocks affect India's fiscal-monetary policy trade-offs? Role of FPI in emerging market volatility? Energy security and diversification strategies.