Ideally, your overall portfolio should beat the market average. But the main game is to find enough winners to more than offset the losers So we wouldn't blame long term Auckland International Airport Limited (NZSE:AIA) shareholders for doubting their decision to hold, with the stock down 21% over a half decade.

So let's have a look and see if the longer term performance of the company has been in line with the underlying business' progress.

See our latest analysis for Auckland International Airport

Given that Auckland International Airport only made minimal earnings in the last twelve months, we'll focus on revenue to gauge its business development. Generally speaking, we'd consider a stock like this alongside loss-making companies, simply because the quantum of the profit is so low. It would be hard to believe in a more profitable future without growing revenues.

In the last half decade, Auckland International Airport saw its revenue increase by 3.7% per year. That's not a very high growth rate considering it doesn't make profits. Given the weak growth, the share price fall of 4% isn't particularly surprising. Investors should consider how bad the losses are, and whether the company can make it to profitability with ease. It could be worth putting it on your watchlist and revisiting when it makes its maiden profit.

The graphic below depicts how earnings and revenue have changed over time (unveil the exact values by clicking on the image).

It's probably worth noting we've seen significant insider buying in the last quarter, which we consider a positive. On the other hand, we think the revenue and earnings trends are much more meaningful measures of the business. So it makes a lot of sense to check out what analysts think Auckland International Airport will earn in the future (free profit forecasts).

What About Dividends?

When looking at investment returns, it is important to consider the difference between total shareholder return (TSR) and share price return. The TSR is a return calculation that accounts for the value of cash dividends (assuming that any dividend received was reinvested) and the calculated value of any discounted capital raisings and spin-offs. So for companies that pay a generous dividend, the TSR is often a lot higher than the share price return. As it happens, Auckland International Airport's TSR for the last 5 years was -19%, which exceeds the share price return mentioned earlier. The dividends paid by the company have thusly boosted the total shareholder return.

A Different Perspective

While the broader market gained around 14% in the last year, Auckland International Airport shareholders lost 3.9% (even including dividends). However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. Unfortunately, longer term shareholders are suffering worse, given the loss of 3% doled out over the last five years. We'd need to see some sustained improvements in the key metrics before we could muster much enthusiasm. I find it very interesting to look at share price over the long term as a proxy for business performance. But to truly gain insight, we need to consider other information, too. Consider risks, for instance. Every company has them, and we've spotted 2 warning signs for Auckland International Airport you should know about.

Auckland International Airport is not the only stock insiders are buying. So take a peek at this free list of small cap companies at attractive valuations which insiders have been buying.

Please note, the market returns quoted in this article reflect the market weighted average returns of stocks that currently trade on New Zealander exchanges.

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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.