Roku Inc.'s stock took a plunge of 5.10% on Wednesday during intraday trading, amid lingering doubts about the company's ability to achieve sustained profitability.

Despite making progress towards profitability, Roku continues to face challenges in its transition from a pandemic-fueled growth spurt. The company has struggled to convert its leading position in the streaming distribution market into consistently profitable operations.

While Roku reported a narrowed net loss of $9 million in Q3 and improved adjusted EBITDA of $98.2 million, investors remain cautious about the company's ability to sustain this trajectory. A potential recovery in the streaming industry and increased advertising spending could provide tailwinds for Roku's business model, but concerns about its high operational costs and competition linger.