The 15% return this week takes KIOCL's (NSE:KIOCL) shareholders five-year gains to 295%

The most you can lose on any stock (assuming you don't use leverage) is 100% of your money. But when you pick a company that is really flourishing, you can make more than 100%. Long term KIOCL Limited (NSE:KIOCL) shareholders would be well aware of this, since the stock is up 287% in five years. It's even up 15% in the last week.

Since the stock has added ₹22b to its market cap in the past week alone, let's see if underlying performance has been driving long-term returns.

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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 imperfect but simple way to consider how the market perception of a company has shifted is to compare the change in the earnings per share (EPS) with the share price movement.

KIOCL's earnings per share are down 47% per year, despite strong share price performance over five years.

This means it's unlikely the market is judging the company based on earnings growth. Because earnings per share don't seem to match up with the share price, we'll take a look at other metrics instead.

The revenue reduction of 9.3% per year is not a positive. It certainly surprises us that the share price is up, but perhaps a closer examination of the data will yield answers.

You can see how earnings and revenue have changed over time in the image below (click on the chart to see the exact values).

It's probably worth noting that the CEO is paid less than the median at similar sized companies. But while CEO remuneration is always worth checking, the really important question is whether the company can grow earnings going forward. Dive deeper into the earnings by checking this interactive graph of KIOCL's earnings, revenue and cash flow.

What About The Total Shareholder Return (TSR)?

We've already covered KIOCL's share price action, but we should also mention its total shareholder return (TSR). Arguably the TSR is a more complete return calculation because it accounts for the value of dividends (as if they were reinvested), along with the hypothetical value of any discounted capital that have been offered to shareholders. Its history of dividend payouts mean that KIOCL's TSR of 295% over the last 5 years is better than the share price return.

A Different Perspective

Investors in KIOCL had a tough year, with a total loss of 35%, against a market gain of about 5.6%. 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 32%, 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. 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 for instance, the ever-present spectre of investment risk. We've identified 1 warning sign with KIOCL , and understanding them should be part of your investment process.

We will like KIOCL better if we see some big insider buys. While we wait, check out this free list of undervalued stocks (mostly small caps) with considerable, recent, insider buying.

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