Large-Cap Laggards: Analyzing the Week's Biggest Stock Declines

Nov 2, 2025 at 1:39 PM
This report examines the notable underperformance of ten prominent large-cap companies during the past trading week, analyzing the specific factors that contributed to their significant stock price depreciation.

Navigating Volatility: Identifying the Week's Underperforming Giants

Fiserv's Significant Setback: A Deep Dive into Quarterly Disappointments

Fiserv, Inc. (FI) shares plummeted by 47.20% over the week. This sharp decline was primarily triggered by the company's third-quarter earnings report, which failed to meet market expectations. Furthermore, Fiserv revised its fiscal year 2025 adjusted earnings per share (EPS) guidance downwards, signaling a more challenging outlook for the near future and causing investor concern.

Alexandria Real Estate: Revisions in Financial Projections Impact Performance

Alexandria Real Estate Equities, Inc. (ARE) experienced a 25.29% drop in its stock value this week. The company's decision to lower its funds from operations (FFO) guidance for fiscal year 2025 was the main catalyst for this downturn. Such adjustments often lead to re-evaluation by investors and a subsequent correction in stock prices.

Chipotle Mexican Grill: Mixed Results and Sales Forecast Challenges

Chipotle Mexican Grill, Inc. (CMG) saw its stock fall by 23.45%. This decline followed a third-quarter earnings announcement that presented a mixed bag of results. More critically, the company projected a low-single-digit decrease in comparable restaurant sales for 2025, suggesting a potential slowdown in its growth trajectory and unsettling shareholders.

International Paper Company's Earnings Miss: A Detailed Look

International Paper Company (IP) shares decreased by 20.71%. The company's third-quarter financial results were below analysts' estimates, leading to a negative market reaction. A failure to meet earnings expectations often indicates underlying operational or market challenges that concern investors.

The Cigna Group: Margin Pressure in Pharmacy Services

The Cigna Group (CI) recorded a 19.59% loss this week. The company's announcement regarding anticipated margin pressure within its pharmacy benefit service segment over the next two years was a key factor in this decline. This outlook suggests potential profitability challenges for a significant part of its business.

DexCom's Rollercoaster Week: Earnings and Analyst Downgrades

DexCom, Inc. (DXCM) experienced a 17.05% reduction in its stock price. While the company released its third-quarter financial results, the decline was exacerbated by BTIG's decision to lower its price target on the stock from $109 to $85, indicating a less optimistic view from a major financial analyst.

eBay Inc.: Q3 Performance and Future Guidance Concerns

eBay Inc. (EBAY) shares fell by 16.55%. Despite reporting better-than-expected third-quarter financial results, the company's adjusted EPS guidance for the fourth quarter came in below estimates. This forward-looking guidance often holds significant sway over investor sentiment, outweighing current positive performance.

F5, Inc.: Projections for EPS and Sales Fail to Impress

F5, Inc. (FFIV) saw a 16.65% slump in its stock value. This was primarily due to the company's forecast for first-quarter EPS and sales falling below analyst expectations, signalling potential headwinds for its upcoming financial performance.

Garmin Ltd.: Shrinking Margins and Disappointing Sales Outlook

Garmin Ltd. (GRMN) shares decreased by 15.37%. The company's third-quarter financial results revealed shrinking margins, and its affirmed fiscal year 2025 sales guidance also fell short of market predictions. These combined factors contributed to a significant drop in its stock price.

Smurfit WestRock plc: Underperforming Adjusted EPS Results

Smurfit WestRock plc (SW) experienced a 14.75% decline this week. The company's adjusted EPS results for the third quarter were worse than expected, leading to investor disappointment and a subsequent fall in its stock valuation.