With inflation now swayed by energy prices, bond markets reacting to geopolitical risk, and central banks taking different paths on interest rates, cash generation and valuation discipline matter more than ever. The Undervalued Stocks Based On Cash Flows screener focuses on companies where projected cash flows and the SWS DCF valuation suggest the share price may not fully reflect underlying potential. That combination of cash flow focus and valuation discipline can help investors concentrate on opportunities where expectations already incorporate some caution. In this article, three stocks from the screener that stand out on these measures are highlighted.

Lumentum Holdings (LITE)

Overview: Lumentum Holdings is a photonics manufacturer that supplies lasers, optical chips, and subsystems used to move data inside cloud and AI data centers, telecom networks, and advanced industrial manufacturing such as semiconductors and electric vehicles.

Operations: Lumentum generates revenue from customers across the United States (US$523.1m), Thailand (US$494.4m), Hong Kong (US$460.7m), Mexico (US$318m), Japan (US$96.2m), Europe, the Middle East and Africa (US$178.7m), other Americas (US$18.8m), other Asia Pacific (US$256.1m), plus a segment adjustment of US$142.4m.

Market Cap: US$69.5b

Lumentum Holdings has caught attention because it sits at the heart of AI data center build outs, with forecasts pointing to revenue growth of 53.8% a year and earnings growth of 79.08% a year. The stock is flagged as trading around 39.9% below one fair value estimate and below a future cash flow value estimate. At the same time, analysts see further upside, with consensus price targets more than 20% above the current share price and large customers such as NVIDIA backing its optical technology. The catch is that the balance sheet relies entirely on external borrowing, and recent insider selling and share price volatility remind investors that this growth story carries real risk if demand or margins stumble.

Lumentum Holdings sits at the crossroads of AI data centers and telecom, yet its share price is flagged as below some cash flow estimates. The real question is whether the growth story offsets the debt load in the DCF valuation analysis for Lumentum Holdings

MercadoLibre (MELI)

Overview: MercadoLibre is a Latin American e-commerce and fintech company that runs the Mercado Libre online marketplace alongside Mercado Pago, its digital payments and financial services platform, plus complementary services in logistics, classifieds, lending, advertising, and digital investing.

Operations: MercadoLibre generates about US$31.8b in revenue from internet software and services, primarily across Brazil (US$16.1b), Mexico (US$7.0b), Argentina (US$6.2b), and other countries (US$1.4b).

Market Cap: US$82.9b

MercadoLibre combines one of Latin America’s largest e-commerce ecosystems with a fast growing fintech arm, creating cross selling opportunities between 84 million active buyers and 82 million fintech users. This comes at the cost of margin pressure as it spends heavily on logistics, credit growth, and lower fees. Analysts currently project earnings and revenue expansion over the coming years. The stock is trading below one published fair value estimate and below published consensus price targets, which some long term investors view as a potential sentiment gap. The company also carries high leverage, a 6% net margin that has compressed from 9.2%, and rising credit and competitive risk across Brazil, Mexico, and Argentina that could challenge the investment case if execution weakens.

MercadoLibre’s e-commerce and fintech engines are accelerating together, yet sentiment and margin pressure suggest the full story is not priced in. Weigh the tension between growth, leverage and credit risk in the analyst forecasts for MercadoLibre

Space Exploration Technologies (SPCX)

Overview: Space Exploration Technologies provides satellite broadband through its Starlink network, launches rockets and spacecraft for commercial and government customers, and runs an AI business that includes the Grok large language model, AI infrastructure, and the X social platform.

Operations: Space Exploration Technologies generates about US$12.2b from Connectivity, US$3.8b from its Space segment, and US$3.3b from AI services.

Market Cap: US$2,437.2b

Space Exploration Technologies sits at the intersection of satellite internet, reusable rockets, and AI infrastructure, which helps explain why revenue is growing and why its AI and data center deals with companies such as Google, Anthropic, and Reflection AI have attracted so much attention. At the same time, the group is still loss making, carries a short cash runway, is financing expansion through external funding and large bond issues, and insiders have been selling into a volatile, illiquid stock. For investors who can tolerate these risks, the combination of fast revenue forecasts, expectations of profitability within 3 years, and a share price flagged as below one fair value estimate raises the question of whether the current valuation fully reflects the long term potential of Starlink and the AI platform.

Space Exploration Technologies’ mix of Starlink, rockets, and AI is accelerating, yet the stock sits between big expectations and real funding pressure. The next move may hinge on the 3 key rewards and 3 important warning signs (2 are major!)

The three stocks covered here are just a starting sample, with the full Undervalued Stocks Based On Cash Flows results surfacing 122 more companies that the Undervalued Stocks Based On Cash Flows screener has flagged with similarly compelling cash flow and valuation setups. Use Simply Wall St to identify and analyze the specific catalysts and narratives that matter most to you, so you can focus on the highest conviction ideas across that wider list.

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If Lumentum Holdings or any of these companies have caught your attention, register for FREE with Simply Wall St and add your companies to a Watchlist to monitor the share price against the fair value and track any new developments as they happen. Once you've made your move, manage your holdings with our Portfolio Command Center that filters out the noise to deliver only the most critical, actionable updates. Throughout your journey, our Community allows you to filter the best ideas from thousands of investor perspectives. By uncovering hidden catalysts and risks early, you'll accelerate your decision-making and stay one step ahead of the market.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.