Earnings season continues next week, with plenty of important companies set to report results. On Wednesday, Priceline (NASDAQ:PCLN), the leading online travel company, will announce its fourth-quarter numbers. The company's guidance for the quarter was weaker-than-expected, driven by an uncertain macroeconomic environment and currency fluctuations, and investors will be on the lookout for any signs of improvement.

Also on Wednesday, wireless carrier T-Mobile (NASDAQ:TMUS) will report its results. The company's aggressive promotional campaigns have gained it millions of subscribers, and guidance calls for another big increase in subscribers during the fourth quarter.

Rounding out the week, retail behemoth Wal-Mart (NYSE:WMT) will report its fourth-quarter results on Thursday. With the company making major investments in an effort to boost wages and grow its e-commerce business, investors have been displeased with guidance calling for a decline in earnings this year.

Click through the following slideshow for more details on these three stocks to watch.

While shares of Priceline have tumbled so far this year, the company is still growing quickly and producing exceptional profits. The strong dollar is having a negative impact on Priceline's results, but in the long run, currency fluctuations are nothing but noise. Here's why one Fool thinks that Priceline's growth story is far from over.

T-Mobile seems to be doing all the right things, gaining subscribers at an impressive pace -- faster than any of its competitors. But while it just put a strong 2015 in the books, it's unclear whether T-Mobile's rapid growth can continue. Here's one Fool's take on whether T-Mobile can continue growing its customer base in a sustainable way.

Wal-Mart stock has been hammered over the past year due to the company's guidance for a steep decline in earnings this year. With the stock still about 25% off its 52-week high, and with a dividend yield of about 3%, here's why one Fool thinks that Wal-Mart might be a bargain

Timothy Green has no position in any stocks mentioned. The Motley Fool owns shares of and recommends Priceline Group. 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.