Receiving a notification of deficiency from Nasdaq is a negative event that indicates potential issues with financial reporting. This can lead to investor concern about the company's governance and transparency, likely resulting in downward pressure on the stock price in the short term. The importance is high as it pertains directly to the company's ability to meet regulatory requirements and maintain its listing. The confidence level is not at 100 because the company has the opportunity to submit a plan and regain compliance, which could mitigate the negative impact.