# US-Iran Deal Sparks Stock Market Rally as Bharti Airtel Leads Sensex Top 10 With a Rs 52,432 Crore Market Cap Surge > The BSE Sensex jumped 1,274.95 points last week following a US-Iran deal, with nine of the top 10 companies by market cap adding a combined Rs 2.15 lakh crore, while TCS was the sole loser, shedding Rs 12,699 crore. **Type:** article · **Category:** Market · **Published:** 2026-06-21 · **Source:** TrendKia **Canonical:** https://trendkia.com/en/market/america-iran-dila-ke-bada-sheyara-bajara-men-uchhala-bharti-airtel-ko-mila-sabase-jyada-phayada-2174 · **Language:** English **Tags:** Sensex rally, Bharti Airtel market cap, TCS loss, Reliance Industries, HDFC Bank, BSE top 10, stock market, US Iran deal ## Nine Sensex Giants Add Rs 2.15 Lakh Crore in a Single Week A diplomatic agreement between the United States and Iran injected fresh confidence into Indian equity markets last week. Buyers returned in force and the BSE Sensex closed the week up 1,274.95 points, a gain of 1.68 percent. Nine of the ten most valuable companies on the Sensex by market capitalisation ended the week higher, together adding Rs 2.15 lakh crore to their combined valuation. Only one company in the group moved against the tide. ## Bharti Airtel Claims the Biggest Weekly Gain Telecom major Bharti Airtel was the standout performer of the week among the Sensex heavyweights. Its market capitalisation jumped Rs 52,432.67 crore to reach Rs 11,62,963.30 crore, the largest absolute gain in the group. Life Insurance Corporation of India came close behind, posting a market cap increase of Rs 51,675.23 crore to reach Rs 5,56,726.30 crore. Bajaj Finance also had a strong week, adding Rs 26,553.71 crore to take its market value to Rs 5,98,501.25 crore. ## Reliance, L&T and SBI Post Solid Weekly Gains Reliance Industries saw its valuation climb Rs 22,464.02 crore to Rs 17,71,882.96 crore. Larsen and Toubro added Rs 21,929.12 crore, with its market cap rising to Rs 5,79,126.95 crore. State Bank of India gained Rs 16,753.57 crore, pushing its market capitalisation to Rs 9,55,415.07 crore. ## HDFC Bank, Hindustan Unilever and ICICI Bank Round Off the Gainers HDFC Bank's market capitalisation grew Rs 11,948.72 crore, ending the week at Rs 12,01,263.14 crore. Hindustan Unilever added Rs 6,661.10 crore, with its valuation settling at Rs 5,15,946.75 crore. ICICI Bank rounded off the list of gainers with an increase of Rs 4,724.22 crore, taking its market cap to Rs 9,66,021.99 crore. ## TCS Stands Alone as the Week's Only Loser While the broader trend among the Sensex top 10 was firmly upward, Tata Consultancy Services bucked the move. The IT major shed Rs 12,699.49 crore during the week, with its market capitalisation settling at Rs 7,69,350.13 crore. TCS was the only company in the group to end the week with a lower valuation than it started with. ## Reliance Holds the Top Spot as Rankings Stay Broadly Stable In terms of overall market capitalisation ranking among the Sensex top 10, Reliance Industries retained its position at number one. HDFC Bank held second place, followed by Bharti Airtel in third, ICICI Bank in fourth and State Bank of India in fifth. Tata Consultancy Services was ranked sixth, Bajaj Finance seventh, Larsen and Toubro eighth, Life Insurance Corporation of India ninth and Hindustan Unilever tenth. ## What this means for you - **For equity investors:** The 1.68 percent weekly gain in the Sensex means those holding equity mutual funds or direct stocks saw a rise in their portfolio values last week. - **For LIC policyholders:** LIC's market cap increase of Rs 51,675 crore reflects improving financial strength at the state-run insurer, which is a reassuring signal for its millions of policyholders. - **For retail investors generally:** The week shows how geopolitical events such as the US-Iran deal can trigger sharp swings in Indian markets, making it worthwhile to track global developments alongside domestic cues. ## Questions & Answers ### 1. By how many points did the BSE Sensex rise last week? The Sensex gained 1,274.95 points, or 1.68 percent, during the week. ### 2. How much did Bharti Airtel's market cap increase last week? Bharti Airtel's market cap rose by Rs 52,432.67 crore to reach Rs 11,62,963.30 crore. ### 3. How much did TCS lose in market cap last week? TCS shed Rs 12,699.49 crore, with its market cap falling to Rs 7,69,350.13 crore. ### 4. What triggered the stock market rally last week? A deal between the United States and Iran boosted investor confidence and sent markets sharply higher. ### 5. What was the combined market cap gain for the Sensex top 10? Nine of the top 10 companies together added Rs 2.15 lakh crore to their combined market capitalisation. ### 6. What is Reliance Industries' current market cap? Reliance Industries' valuation rose by Rs 22,464.02 crore to Rs 17,71,882.96 crore. ### 7. Which company holds the top position in the Sensex market cap rankings? Reliance Industries retained its position at the top of the Sensex market cap rankings. ### 8. How much did LIC's market cap rise last week? LIC's market cap increased by Rs 51,675.23 crore to reach Rs 5,56,726.30 crore. --- _TrendKia — Har trend, sabse pehle.. Machine-readable view; canonical HTML at the URL above._