The Indian stock market exhibited a mixed mood this morning, with the Sensex inching up to 75,537.83, a modest gain of 0.18%, and the Nifty 50 rising to 23,736.40, up by 0.20%. Despite the overall positive trend, several stocks faced significant declines. Leading the list of top losers are Gujarat State Petronet, Housing & Urban Development Corporation (HUDCO), and Data Patterns (India), which have seen substantial drops in their share prices.

Biggest decliners today

Gujarat State Petronet emerged as the biggest loser, with its stock price falling by 7.13% from its opening level of ₹287.55 to ₹268.35. The company, which operates in the energy sector, saw its stock hit a low of ₹257.15 during the session.

HUDCO, a key player in the housing finance sector, experienced a 6.85% decline, with its shares dropping from an opening price of ₹225.00 to ₹208.06. The stock reached a low of ₹205.07, reflecting investor caution.

Data Patterns (India), involved in the technology sector, saw its shares slip by 5.84%, moving from an opening price of ₹4,010.50 to ₹3,776.20. The stock’s volatility was evident as it touched a low of ₹3,565.60.

Muthoot Finance, a significant name in the financial services sector, recorded a 5.48% decrease, with its stock price declining from ₹3,523.90 to ₹3,337.60. The day’s low was ₹3,305.10.

Hindustan Zinc, operating in the metals and mining sector, faced a 5.16% drop, with its shares falling from ₹659.95 to ₹634.70, hitting a low of ₹634.10.

Sectoral patterns

Other notable decliners include Hindustan Copper and Vedanta, both from the metals sector, which fell by 4.63% and 3.69%, respectively. Hindustan Aeronautics, from the aerospace sector, saw a 4.16% decline. Endurance Technologies, in the automotive sector, dropped by 4.07%, while NLC India, part of the energy sector, decreased by 3.83%.

Stock Open High Low Current Change %
Gujarat State Petronet 287.55 290.00 257.15 268.35 -7.13%
HUDCO 225.00 226.99 205.07 208.06 -6.85%
Data Patterns (India) 4,010.50 4,030.00 3,565.60 3,776.20 -5.84%
Muthoot Finance 3,523.90 3,523.90 3,305.10 3,337.60 -5.48%
Hindustan Zinc 659.95 659.95 634.10 634.70 -5.16%
Hindustan Copper 598.00 598.00 574.00 578.40 -4.63%
Hindustan Aeronautics 4,610.00 4,618.00 4,410.50 4,416.20 -4.16%
Endurance Technologies 2,525.00 2,556.60 2,427.50 2,513.10 -4.07%
NLC India 375.20 375.20 355.50 356.70 -3.83%
Vedanta 338.90 338.90 325.00 326.40 -3.69%

What this means for the market

The declines in these stocks, particularly in the energy and metals sectors, suggest a cautious approach by investors amid broader market gains. As the session progresses, market participants will closely watch these sectors for any recovery signs or further declines, which could influence the overall market sentiment.

Data as on May 15, 2026, 11:30 AM IST.

Disclaimer: This article is generated for informational purposes only and does not constitute financial, investment, or trading advice. The data and analysis presented are based on publicly available market information at the time of writing. Markets are subject to risk. Please consult a qualified financial advisor before making any investment or trading decisions. Business Upturn does not accept responsibility for any losses arising from reliance on this content.