The expectation of flat to low-single-digit growth in total sales for Q4 suggests that Citi Trends is maintaining its revenue levels compared to the same quarter in the previous year. This could be perceived as a positive sign by investors, especially in a challenging retail environment, and may lead to a short-term positive impact on the stock price. However, the impact is not guaranteed as the market may have already anticipated this performance, and the actual sales figures could still influence the stock's movement.