The offering of a significant number of shares by a selling stockholder, as filed with the SEC, could lead to increased liquidity in Nasdaq Inc's stock. However, this could also result in dilution of value for existing shareholders, potentially leading to a negative short-term impact on the stock price. The relevance is high as the news directly involves Nasdaq Inc, and the importance is marked at 75 due to the potential dilution effect and impact on investor perception. The confidence level is at 90, considering the direct information from the SEC filing and the typical market response to such offerings.