New Delhi, April 10 -- Low-cost airline Indigo made history this week by momentarily surpassing global giants such as Delta Air Lines and Ryanair to become the world's most valuable airline by market capitalization.

The stock has seen a strong rally this year, gaining 13% so far and pushing its market cap past Rs.2 lakh crore (around $23.3 billion). Indigo stock ended nearly 1% higher on Wednesday, defying the broader market trend. This performance is particularly notable against the backdrop of the Nifty's nearly 6% decline year-to-date, driven by investor concerns over tariff uncertainties.

IndiGo holds a dominant position in India's domestic aviation sector, capturing more than 60% of the market. The airline is also focusing heavily ...