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What: Shares of Netflix (NASDAQ:NFLX) fell 19.7% last month, according to data provided by S&P Global Market Intelligence. Investor concerns regarding the streaming leader's slowing growth, increasing competition, and richly valued stock price all took a toll.

So what: It's true that Netflix's domestic subscriber growth is slowing. With about 45 million subscribers, the company has already reached a large portion of its potential market here in the U.S. However, tremendous international growth still remains. And in this arena, Netflix is just getting started, with the company announcing that it completed its international rollout just weeks ago. Now that its global infrastructure is in place, Netflix's international subscriber growth is likely to accelerate in the quarters ahead.

It's also true that Netflix is facing increased competition from the likes of YouTube and HBO. But competition is nothing new for Netflix. And while none of these formidable rivals should be taken lightly, Netflix's first-mover advantage, global market leadership, and impressive data collection abilities help to insulate it from these competitive pressures.

Lastly, in regards to valuation, Netflix's stock is much more reasonably priced since losing about a third of its value after hitting an all-time high of $133 on Dec. 7. And with management expecting the company to "generate material global profits" beginning in 2017, the stock could even prove to be a long-term bargain.

Now what: With so much growth still ahead, investors may wish to consider using this pullback in Netflix's share price as an opportunity to begin -- or add to -- a position in the video-streaming leader.

Joe Tenebruso has no position in any stocks mentioned. The Motley Fool owns shares of and recommends Netflix. Try any of our Foolish newsletter services free for 30 days. We Fools may not 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.