Netflix Inc. on Tuesday reported a surge in streaming subscribers in the December quarter, boosted by its international expansion, even as the company missed its target for customer additions in the U.S.

Overall, the company added 5.59 million streaming subscribers in the fourth quarter, topping its projection of 5.15 million, and bringing its total world-wide customer base to nearly 75 million. For the current quarter, Netflix expects to add 6.1 million streaming subscribers.

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