The announcement of a dividend typically has a neutral to positive impact on stock sentiment, as it reflects a company's ability to return value to shareholders. However, the ex-dividend date often leads to a short-term decrease in stock price equivalent to the dividend amount, as the stock price is adjusted to reflect the payout. In this case, UHAL is expected to open 5 cents lower on the ex-dividend date, which is a direct and predictable impact on the stock price.