Although we don't believe in timing the market or panicking over market movements, we do like to keep an eye on big changes -- just in case they're material to our investing thesis. 

What: Shares of Capstone Turbine (NASDAQ:CPST) continued to rally last week, even hitting their five-year high on heavy trading volumes. But it could've been another blockbuster week had the shares not cooled down on Friday and ended the week with only 5% gains.

So what: March has been a busy month for Capstone so far, with the company announcing yet another set of orders last week. The first was for one C200 turbine from the British Royal Air Force. Interestingly, the order failed to excite the market despite marking Capstone's foray into the United Kingdom.

The market's excitement built up by the middle of the week, however, after Capstone announced multiple orders for nearly four megawatts from oil and gas companies operating in the Marcellus and Utica Shale regions. Two were repeat customers, while one was new. In total, the orders comprised four C600, one C800, and ten C65 microturbines. Just the previous week Capstone had received orders for 50 C65s from oil and gas companies.

Now what: If repeat orders indicate Capstone's growing popularity, especially in the high-growth oil and gas industry, the company is also receiving recognition from the people and organizations that matter.

Last Thursday, Capstone received a certificate from the U.S. Environmental Protection Agency Combined Heat and Power (CHP) Partnership, recognizing the company's efforts in reducing carbon emissions (Click here to view the certificate). The CHP Partnership, participation in which is voluntary, seeks to promote projects that use the CHP technology to reduce green house gas emissions. The certificate can be considered great evidence of how environmentally friendly Capstone's microturbines are.

So it was actually another fruitful week for Capstone, and there was no real reason why its shares should have fallen nearly 5% on Friday. While the company's growing order book, top line, and gross margin may be attracting investors, Capstone still largely remains a trader's game, which explains the volatility in the stock.

But investors should ignore the daily stock price movements and continue to focus on the long-term growth potential of the microturbine maker. Capstone expects to break even on its operating earnings, or earnings before interest, taxes, depreciation, and amortization (EBITDA) by the next quarter; and is targeting a healthy gross margin of 35%, backed by cost control, by the next couple of years. That sounds good enough for long-haul investors to keep Capstone Turbine stock on their watchlists.

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This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.