Due Diligence Check: Do These "Blue Chips" Still Earn the Title?

"Blue chip" gets applied to a company once and tends to stick, regardless of what the balance sheet does afterward. The label describes reputation, not current condition. Below are three long-standing names that carry the tag by default, checked against what the numbers actually show today.

3M (MMM): the reputation is intact, the growth isn't

3M has operated since 1902 and remains a fixture in industrial and consumer products. On paper it still reads as a classic blue chip. The five-year numbers tell a different story: revenue per share is down 16% over that period, and Performance Score sits at just 4.8, the weakest of the three names here. Total equity has fallen to $4.7 billion against $12.9 billion in total debt, a gap largely driven by the April 2024 Solventum healthcare spinoff, which removed a meaningful chunk of the business without a matching reduction in liabilities. Health Score comes in at 6.2, moderate but not strong.

Takeaway: the brand recognition hasn't faded, but the balance sheet has thinned considerably. Worth tracking whether free cash flow stabilizes post-spinoff before treating this as a stable long-term holding rather than a name still working through a restructuring.

Verizon (VZ): a high yield that's compensating for something

Verizon pays a 5.85% dividend yield, well above the broader market average and still running hotter than its closest peer, AT&T, at roughly 4.5–5%. A yield that high is usually the market pricing in risk, not rewarding patience. Its Altman Z-Score sits at 1.17. That model was built for manufacturers, so the fit isn't exact for a telecom, but the number still lines up with the rest of the picture: total debt of $200.6 billion against $105.7 billion in equity, and a stock price down 14% over five years while the S&P 500 climbed. Performance Score is 2.8, the lowest of the three.

Takeaway: the yield looks attractive in isolation, but it's sitting on top of a debt load that limits flexibility. This is a name generating real cash from operations ($37.1 billion last year) while carrying leverage that keeps every other metric under pressure. The dividend is currently covered, but the margin for error is thin.

ExxonMobil (XOM): still earning it

ExxonMobil, founded in 1870, is the clearest case of the label still holding up. Revenue per share has grown 80% over five years, total equity of $266.6 billion dwarfs total debt of $43.5 billion, and the Altman Z-Score of 4.07 sits comfortably in the safe zone for this model. Health Score is 7.4, Risk Score a low 2.1.

Takeaway: size and a long operating history aren't enough on their own, but here they're backed by an actual improving trend in revenue and a balance sheet that isn't stretched. Of the three, this is the one where "blue chip" and current fundamentals still point the same direction.

Where this leaves things

All three carry the same reputation. Only one of them currently earns it on the numbers alone, one is a legitimate mixed case worth monitoring, and one is compensating investors for a risk that its reputation quietly obscures. "Blue chip" is a starting point for research, not a substitute for it.


This article is for informational purposes only and does not constitute financial advice.

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