The initiation of coverage by UBS with a Neutral rating and a price target of $185 for UniFirst (UNF) is likely to have a neutral impact on the stock price in the short term. The Neutral rating suggests that the analyst does not expect significant price movement, while the price target provides a reference point for investors. The news is highly relevant to UNF as it directly pertains to the company and its stock, and it is important for investors to consider analyst ratings and price targets when making investment decisions. The confidence in this analysis is high as it is based on the information provided in the article.