RingCentral's stock experienced a 5% decline in post-market trading, reflecting a significant 24-hour plunge for the cloud communications company.

The drop came despite the company reporting first-quarter revenue of $644.2 million, which slightly exceeded analyst expectations of $642.7 million. Investors appeared to focus instead on the company's forward guidance, which included second-quarter revenue projections of $648-653 million and full-year revenue guidance of $2,620-$2,640 million.

Market reaction suggests concerns about the company's growth trajectory and future profitability, as the guidance failed to meet investor expectations despite the quarterly earnings beat.