Receiving a non-compliance letter from Nasdaq suggests that Charles & Colvard, Ltd. may not meet certain listing requirements, which can lead to delisting if not addressed. This situation typically results in negative investor sentiment and potential stock price decline.

While Nasdaq's issuance of a non-compliance letter is part of its regulatory role, it does not directly impact Nasdaq's stock price. The news is more relevant to Charles & Colvard, Ltd.