India's indexes opened flat as U.S.-China trade deal progress and Middle East tensions weighed on global markets.

• Nifty 50 and Sensex rose slightly, while small caps gained 0.2% amid cautious investor sentiment.
• U.S.-China tariff framework raised hopes, but a lack of details kept markets uncertain globally.
• Iran's threat to strike U.S. bases heightened geopolitical risks, dragging Asian and Wall Street markets down.