Indian stock markets are poised for a gap-down opening this week following the collapse of peace talks between the United States and Iran, reigniting global risk-off sentiment. The failure of these negotiations has raised concerns about escalating tensions, particularly around the Strait of Hormuz, which could disrupt oil supplies and drive crude prices higher. This scenario poses significant risks for India, where rising oil prices could lead to increased imported inflation and pressure on corporate margins. Analysts, including Hariprasad K of Livelong Wealth, indicate that a breach of the 24,000 level on the Nifty index could shift market dynamics back to a sell-on-rise structure, indicating renewed weakness. Despite a slight positive close in the previous week, the market's overall tone remains cautious, with profit booking and weak global cues limiting any sustained rally. The upcoming week is expected to be highly volatile, influenced by developments in US-Iran relations and fluctuations in crude oil prices. Sector-wise, oil marketing companies may face challenges due to rising costs, while upstream producers could benefit. The broader market sentiment remains fragile, with domestic institutional support cushioning the downside amid ongoing foreign selling. Overall, the market is transitioning from a recovery phase to a potential stress-test phase, remaining range-bound with a negative bias until clearer stability emerges.