The review of the fiber business suggests that CCI is looking to optimize its assets, which could lead to a revaluation of the company's operations and potentially improve efficiency and profitability. The addition of new board members, especially with the involvement of Elliott Investment Management, indicates a shift towards enhanced governance and strategic planning. However, without specific outcomes from the review or new appointments, the short-term impact on the stock price is likely neutral, with a potential for positive or negative shifts as more information becomes available.