While not a mind-blowing move, it is good to see that the Avista Corporation (NYSE:AVA) share price has gained 11% in the last three months. But that doesn't change the fact that the returns over the last three years have been less than pleasing. Truth be told the share price declined 17% in three years and that return, Dear Reader, falls short of what you could have got from passive investing with an index fund.

It's worthwhile assessing if the company's economics have been moving in lockstep with these underwhelming shareholder returns, or if there is some disparity between the two. So let's do just that.

In his essay The Superinvestors of Graham-and-Doddsville Warren Buffett described how share prices do not always rationally reflect the value of a business. One way to examine how market sentiment has changed over time is to look at the interaction between a company's share price and its earnings per share (EPS).

Although the share price is down over three years, Avista actually managed to grow EPS by 3.3% per year in that time. Given the share price reaction, one might suspect that EPS is not a good guide to the business performance during the period (perhaps due to a one-off loss or gain). Or else the company was over-hyped in the past, and so its growth has disappointed.

It looks to us like the market was probably too optimistic around growth three years ago. But it's possible a look at other metrics will be enlightening.

We note that the dividend seems healthy enough, so that probably doesn't explain the share price drop. We like that Avista has actually grown its revenue over the last three years. But it's not clear to us why the share price is down. It might be worth diving deeper into the fundamentals, lest an opportunity goes begging.

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

We consider it positive that insiders have made significant purchases in the last year. Having said that, most people consider earnings and revenue growth trends to be a more meaningful guide to the business. So it makes a lot of sense to check out what analysts think Avista 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. Whereas the share price return only reflects the change in the share price, the TSR includes the value of dividends (assuming they were reinvested) and the benefit of any discounted capital raising or spin-off. It's fair to say that the TSR gives a more complete picture for stocks that pay a dividend. In the case of Avista, it has a TSR of -4.7% for the last 3 years. That exceeds its share price return that we previously mentioned. The dividends paid by the company have thusly boosted the total shareholder return.

A Different Perspective

Investors in Avista had a tough year, with a total loss of 4.6% (including dividends), against a market gain of about 30%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. Longer term investors wouldn't be so upset, since they would have made 2%, each year, over five years. If the fundamental data continues to indicate long term sustainable growth, the current sell-off could be an opportunity worth considering. It's always interesting to track share price performance over the longer term. But to understand Avista better, we need to consider many other factors. For instance, we've identified 3 warning signs for Avista (1 shouldn't be ignored) that you should be aware of.

Avista is not the only stock that insiders are buying. For those who like to find lesser know companies this free list of growing companies with recent insider purchasing, could be just the ticket.

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