Opportunities in the Ibex 35: Analysis of Lagging Stocks for Investment

Last update: October 1, 2026
  • Identification of Ibex 35 companies that are trading at significant discounts to their target value according to analysts' consensus.
  • Analysis of fundamental factors, such as debt and cash flow, that drive the rebound potential in the technology, healthcare, and energy sectors.
  • Contrast between momentum-based investment strategies versus the contrarian approach in the Spanish stock market.

Japanese candlestick chart showing a bearish trend in the stock market, representing the lagging values ​​of the Ibex.

When the Spanish market picks up steam and the main index starts approaching its highs, it's normal for some investors to feel like they've missed the boat. However, the reality is that the Ibex rally hasn't been uniform , leaving behind a group of companies that, for various reasons, haven't managed to take off and have fallen behind while the rest have risen.

For the discerning investor, this scenario is pure gold, as it allows for a value strategy focused on solid assets that have been unfairly punished by the market. The key here is not to buy indiscriminately what has fallen, but to differentiate between a company in decline and an undervalued gem with strong fundamentals that simply needs a catalyst to shine again.

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The candidates with the most support: Fluidra, Amadeus, and Cellnex

Financial chart with a marked upward trend, illustrating the recovery potential of undervalued companies.

Among the laggards, there are names that enjoy massive analyst support, based on market consensus for securities issuers , with buy recommendations exceeding 78%. Fluidra is perhaps the most extreme case , having suffered a drop of nearly 23%. Despite this, the company is a global leader in a resilient sector with solid structural growth. The market has punished the company due to the post-pandemic adjustment and inflation, but with a discount of over 47% to its target prices, entities like UBS and JPMorgan see a clear opportunity, further supported by a €40 million share buyback program.

Amadeus , for its part, finds itself at a technological crossroads . Fears that artificial intelligence will cannibalize its Global Distribution System (GDS) have weakened its share price. However, experts from Deutsche Bank and Rothschild maintain that AI does not eliminate the need for connectivity and reservation management, but rather enhances it. With an upside potential that some estimate at 49% , the company is concluding a massive cloud investment cycle that should generate very attractive cash flow in the short term.

In Cellnex's case, the burden has been debt and rising interest rates, which have increased the cost of financing its towers. However, the company has reacted with exemplary financial discipline, selling non-strategic assets to improve its balance sheet. Given that much of its debt is at a fixed rate, the real impact on earnings is less than it appears, and the market is beginning to reward this strategy of debt reduction and shareholder returns.

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Analysis of other values ​​on the radar: Health, Luxury and Energy

Financial analysis tools with calculator, magnifying glass and stock market reports to identify value opportunities.

The healthcare sector also offers interesting opportunities, albeit with some nuances. Grifols has had a turbulent year due to bearish reports and a governance crisis, which has driven down its share price. Despite the noise, the consensus gives it the highest upside potential in the entire index, suggesting that the punishment has been excessive. On a more defensive footing is Laboratorios Rovi , which, after the Covid vaccine boom, is seeking new growth drivers through mRNA agreements with Moderna, maintaining a low-volatility profile that appeals to conservative investors.

In the consumer and luxury sectors, Inditex and Puig present contrasting scenarios . The owner of Zara, although it has lost some ground after results that alarmed many due to its costs, remains the leader in its sector with record profits and a very solid retail expansion plan, highlighted by the recent rebound in Inditex shares . On the other hand, Puig has suffered from the general slump in European luxury , but its portfolio of global brands positions it as an attractive alternative should there be a shift of capital away from technology.

The energy sector is the most complex due to price volatility. Solaria and Acciona Energías Renovables have struggled with near-zero electricity pool prices and a heavy financial burden. Solaria, however, has an ace up its sleeve: its commitment to supplying energy to AI data centers , which could radically change its stock market narrative and attract new capital inflows.

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Team of financial analysts collaborating in a modern office, representing the experts' buying consensus.

Strategies: Momentum or Mean Reversion?

Magnifying glass highlighting the word 'WIN' on financial charts, symbolizing the search for undervalued gems in the market.

Investing in the Spanish stock market presents a perennial debate between two philosophies. On the one hand, the momentum approach involves buying the best-performing stocks of the previous year, betting that the trend will continue. Historically, this strategy has yielded higher average returns on the Ibex. On the other hand, the contrarian approach seeks out the most underperforming stocks, anticipating a reversion to the mean, often analyzing historical stock prices to identify support levels.

  • momentum: Higher historical returns, but risk of buying at peaks.
  • Contrarian: Greater safety margin and discounts, but risk of falling into "value traps".
  • Financial Quality: Prioritizing companies with positive cash flows and low debt is usually the safest path.

It's crucial to understand that stock prices depend not only on earnings but also on the discount rate offered by bonds . When interest rates rise, the present value of future earnings falls, which explains why the index can decline even if companies continue to make money. Furthermore, the current concentration in large global technology companies creates a correction risk that could lead investors to seek refuge in more traditional and cheaper global stock market indices .

The combination of deep discounts on leading companies, strong analyst support, and the prospect of interest rate cuts creates fertile ground for those who know how to wait. The key lies in monitoring each company's specific catalysts, from Amadeus's technological modernization to Cellnex's financial discipline or Fluidra's residential market recovery, always maintaining a balance between risk and quality in the portfolio selection.

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