Top Losers Today 21-Oct-2026: Biggest NSE, BSE Fallers

Introduction

Nifty 50 closed at 23,087.95 (+0.87%) and Sensex ended at 74,234.30 (+0.52%) on 21 Oct 2026, but the session masked sharp selling in midcaps and smallcaps. Nifty Midcap 100 fell 2.20% and Nifty Smallcap 100 dropped 2.40%, with multiple stocks sliding to fresh lows amid elevated volatility. Auto and chemicals were among the weakest pockets during the session, while IT held up in the green, creating a clear divergence between headline indices and broader market breadth. FII and DII flow data was not available in the provided context.

Large Cap Top Losers

ABB India Ltd (-5.61%) ABB India fell as investors reduced exposure to high-beta industrial and capex-linked names amid a sharp risk-off move in the broader market, even as the headline indices ended higher. The selloff coincided with weak breadth, with midcaps and smallcaps down more than 2%, prompting de-risking in cyclicals.

Vodafone Idea Ltd (-5.59%) Vodafone Idea declined alongside a broader rotation away from volatile, high-leverage counters as intraday volatility rose and market breadth deteriorated. The stock also saw heavy trading activity at 56.09 crore shares, indicating aggressive selling and churn through the session.

Siemens Ltd (-5.08%) Siemens dropped as investors pared industrial exposure during a session where broader market indices weakened sharply despite Nifty and Sensex closing in the green. The move tracked the wider pattern of selling pressure in non-IT pockets, as IT outperformed while risk appetite in cyclicals cooled.

Meesho Ltd (-4.99%) Meesho slipped as selling intensified in broader market segments, with Nifty Smallcap 100 down 2.40% and risk appetite concentrated in IT versus discretionary and growth pockets. The sharp volume of 2.79 crore shares points to distribution-led trading rather than a low-liquidity drift.

Vedanta Aluminium Metal Ltd (-4.50%) Vedanta Aluminium Metal fell in line with weakness in the metal pack, with the market context showing Nifty Metal down over 1% and metal counters among the key laggards. Investors reacted to the sector-level decline by trimming exposure to metal stocks, pushing the counter down nearly 5% on strong volume.

Mid Cap Top Losers

Sterlite Technologies Ltd (-4.99%) Sterlite Technologies dropped as broader market selling deepened, reflected in the 2.20% fall in Nifty Midcap 100 and 2.40% decline in Nifty Smallcap 100. The stock’s 20.03 lakh share volume suggests active unwinding rather than a gradual decline in trade.

Authum Investment & Infrastructure Ltd (-4.74%) Authum Investment fell as financial services names came under pressure, with the market context highlighting Nifty Midsmall Financial Services down 2% and multiple financial stocks declining up to 5%. Investors typically cut exposure to non-core and mid-sized financial plays first when volatility rises, amplifying the move.

Vishal Mega Mart Ltd (-4.62%) Vishal Mega Mart declined amid weakness across consumption-linked and discretionary pockets as broader markets corrected. The session also saw notable pressure in consumer durables, and the stock’s very high volume of 5.62 crore shares points to broad-based selling.

KEI Industries Ltd (-4.61%) KEI Industries slid in a session where midcaps were hit hard and risk-off positioning dominated outside IT. With Nifty Midcap 100 down 2.20%, investors rotated away from economically sensitive names, dragging down several mid-cap cyclicals.

Hindustan Copper Ltd (-4.60%) Hindustan Copper fell as the metal index weakened, with the market context explicitly flagging Nifty Metal down over 1% and naming Hindustan Copper among the leading decliners. Investors reacted to sector-level pressure by cutting metal exposure, pushing the stock down on heavy volume of 81.78 lakh shares.

Small Cap Top Losers

eMudhra Ltd (-19.99%) eMudhra crashed to its lower circuit after a reported security incident update in the provided context, which said Google and Mozilla blocked eight compromised intermediate certificates and the company is investigating a key generation flaw. That development hit investor confidence in a digital trust services provider, triggering a one-way selloff with the stock locking at the 20% floor and sellers reportedly queued with limited buying interest. Volume spiked to 29.77 lakh shares, indicating forced exits and aggressive risk reduction.

Sayaji Hotels Ltd (-18.56%) Sayaji Hotels slid sharply in what appeared to be a liquidity-driven move, with the stock trading on extremely low volume of just 1.59 thousand shares. With no specific company trigger established in the provided context, the steep drop is consistent with micro-cap order imbalances where limited bids can translate into outsized percentage declines.

Prizor Viztech Ltd (-15.27%) Prizor Viztech dropped after opening lower and trading near the bottom of its intraday range, with the provided context noting no identifiable company-specific news. In small caps, such declines are often exacerbated by limited depth and fast unwinds after strong prior runs, leading to sharp one-session repricing.

SRIT India Ltd (-15.06%) SRIT India fell in a classic post-listing volatility move, with the provided context highlighting its recent IPO debut and prior upper circuit action after listing. The stock slipped close to its 52-week low zone (97.50 versus a close of 101.80), suggesting investors rotated out of newly listed momentum counters as smallcaps corrected.

RDB Real Estate Construction Ltd (-14.16%) RDB Real Estate Construction declined amid weakness in realty counters, with the market context noting losses in Nifty Realty led by stocks such as Brigade Enterprises, Anant Raj and Prestige Estates. The fall was amplified by very thin volume of 1.71 thousand shares, making the price more sensitive to sell orders.

Market Overview

Nifty 50 ended at 23,087.95 (+0.87%) and Sensex closed at 74,234.30 (+0.52%), but the broader market turned decisively weaker through the day. The trading session saw a gap-up fade and risk gauges rising, with the context noting India VIX jumping over 9% during the selloff.

Sector rotation was sharp: Nifty IT held gains of about 2.22% even as Nifty Auto (-2.46%), Nifty Chemicals (over -2%) and Nifty Financial Services (-1.52%) were under pressure in the session’s weak phase. Metals also slipped with Nifty Metal down over 1%, aligning with declines in Hindustan Copper and Vedanta Aluminium Metal.

Market breadth remained a key concern despite the index close, with Nifty Midcap 100 down 2.20% and Nifty Smallcap 100 down 2.40%. The provided context also flagged that 322 stocks hit 52-week lows, underscoring that today’s damage was concentrated beyond large-cap index heavyweights.

Explore More Market Movers

Readers can explore the complete list of market movers here:

https://www.multibagg.ai/market-movers/top-gainers