Ultra Clean (UCTT) stock plummeted 5.01% during intraday trading on Friday, following a risk disclosure that raised concerns about the company's financial stability.

The sharp decline came after the company disclosed a new risk in the Debt & Financing category related to its 2031 Convertible Notes. According to the disclosure, the conditional conversion feature of these notes threatens the company's liquidity and working capital, potentially creating financial pressure on the semiconductor equipment maker.

Investors reacted negatively to the news as liquidity concerns can significantly impact a company's ability to fund operations and meet its financial obligations, making the stock less attractive in the short term.