Here at The Motley Fool, I've long cautioned investors to keep a close eye on inventory levels. It's a part of my standard diligence when searching for the market's best stocks. I think a quarterly checkup can help you spot potential problems. For many companies, products that sit on the shelves too long can become big trouble. Stale inventory may be sold for lower prices, hurting profitability. In extreme cases, it may be written off completely and sent to the shredder.
In this series, I examine inventory using a simple rule of thumb: Inventory increases ought to roughly parallel revenue increases. If inventory bloats more quickly than sales grow, this might be a sign that expected sales haven't materialized. Is the current inventory situation at Harman International Industries (NYS: HAR) out of line? To figure that out, start by comparing the company's inventory growth to sales growth. How is Harman International Industries doing by this quick checkup? At first glance, pretty well. Trailing-12-month revenue increased 19.8%, and inventory increased 10.1%. Comparing the latest quarter to the prior-year quarter, the story looks decent. Revenue increased 15.6%, and inventory improved 10.1%. Over the sequential quarterly period, the trend looks OK but not great. Revenue dropped 2.8%, and inventory grew 1.5%.
I don't stop my checkup there, because the type of inventory can matter even more than the overall quantity. There's even one type of inventory bulge we sometimes like to see. You can check for it by examining the quarterly filings to evaluate the different kinds of inventory: raw materials, work-in-progress inventory, and finished goods. (Some companies report the first two types as a single category.)
A company ramping up for increased demand may increase raw materials and work-in-progress inventory at a faster rate when it expects robust future growth. As such, we might consider oversized growth in those categories to offer a clue to a brighter future, and a clue that most other investors will miss. We call it "positive inventory divergence."
On the other hand, if we see a big increase in finished goods, that often means product isn't moving as well as expected, and it's time to hunker down with the filings and conference calls to find out why.
What's going on with the inventory at Harman International Industries? I chart the details below for both quarterly and 12-month periods.
Source: S&P Capital IQ. Data is current as of latest fully reported quarter. Dollar amounts in millions. FY = fiscal year. TTM = trailing 12 months.
Source: S&P Capital IQ. Data is current as of latest fully reported quarter. Dollar amounts in millions. FQ = fiscal quarter.
Let's dig into the inventory specifics. On a trailing-12-month basis, finished goods inventory was the fastest-growing segment, up 20.9%. On a sequential-quarter basis, finished goods inventory was also the fastest-growing segment, up 5.0%. That can be a warning sign, so investors should check in with Harman International Industries' filings to make sure there's a good reason for packing the storeroom for this period. Harman International Industries seems to be handling inventory well enough, but the individual segments don't provide a clear signal.
Foolish bottom line
When you're doing your research, remember that aggregate numbers such as inventory balances often mask situations that are more complex than they appear. Even the detailed numbers don't give us the final word. When in doubt, listen to the conference call, or contact investor relations. What at first looks like a problem may actually signal a stock that will provide the market's best returns. And what might look hunky-dory at first glance could actually be warning you to cut your losses before the rest of the Street wises up.
I run these quick inventory checks every quarter. To stay on top of inventory and other tell-tale metrics at your favorite companies, add them to your free watchlist, and we'll deliver our latest coverage right to your inbox.
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The article Here's Why Harman International Industries' Latest Report Might Worry You originally appeared on Fool.com.
Seth Jayson had no position in any company mentioned here at the time of publication. You can view his stock holdings here. He is the co-advisor ofMotley Fool Hidden Gems, which provides new small-cap ideas every month, backed by a real-money portfolio. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.
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