Nifty opened sharply lower today. But what exactly triggered the selling?
Here are the key factors behind today’s weak opening 
Weak US Markets:
US equities closed lower overnight, with investors becoming cautious amid broader global uncertainty.
US Bond Yields Rise:
The US 10-year Treasury yield moved higher, increasing concerns that global interest rates could remain elevated for longer. Higher yields often put pressure on equities.
Crude Oil Above $100:
Brent crude moved back above the $100/barrel level. For India, higher crude prices are a concern because the country imports a significant portion of its oil requirements.
Global Risk-Off Sentiment:
Geopolitical uncertainty and weakness across global markets have made investors more cautious, leading to selling pressure in risk assets.
GIFT Nifty Was Already Weak:
Before the Indian market opened, GIFT Nifty was trading lower, indicating that a weak start was likely.
So, in simple terms:
US markets ↓
US yields ↑
Crude oil ↑
Global uncertainty ↑
Selling pressure in Indian equities
That’s why Nifty started the day with a gap-down opening.
Now the important part is to watch whether Nifty sustains below the opening levels or manages to recover during the session. The price action after the gap will give us a better indication of the market’s near-term strength.