Japanese video game maker Nintendo is scheduled to announce its fiscal third-quarter earnings after the market closes on Wednesday. While the company is widely expected to post a small profit thanks to strong sales of new game titles during a typically strong selling season and the weak yen against the dollar and euro, it’s unclear whether the company can continue its growth momentum in coming quarters, given lack of clear sales drivers.

EARNINGS FORECAST: Nintendo is expected to report a net profit of ¥35.52 billion ($301.67...