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 liquefied natural gas specialist Cheniere Energy (NYSE: LNG) were all gassed up today, gaining as much as 16% on heavier-than-average volume.

So what: While there was no news to speak of, we could probably chalk up the continued run-up to the strong momentum that's been behind the stock since late last year. In September, the stock was still trading below $2.50 per share and has since caught a massive tailwind, helping it more than quadruple. The furious run was recently aided by the company's tentative agreements around its planned Sabine Pass LNG terminal.

Now what: When it comes to my investment dollars, I'm not much of a speculator. I tend to prefer companies with reliable profits and cash flow and/or assets that back up the stock. So with a history of losses and cash burn, and a balance sheet loaded down with debt, Cheniere is not the kind of stock that makes my short list.

For speculators that have been willing to dive in, Cheniere has obviously been a great stock to own over the past six months or so, but can the run continue? The traders pushing up shares today certainly seem to think so.

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Fool contributor Matt Koppenheffer does not own shares of any of the companies mentioned. You can check out what Matt is keeping an eye on by visiting his CAPS portfolio, or you can follow Matt on Twitter @KoppTheFool or on his RSS feed. The Fool's disclosure policy prefers dividends over a sharp stick in the eye.