The initiation of coverage by Mizuho with a Neutral rating and a specific price target provides investors with a new analytical perspective on Chewy. However, the Neutral rating suggests that Mizuho does not see significant upside or downside in the near term, which is why the short term impact on the stock price is likely to be neutral. The price target of $18 could serve as a reference point for investors, but since it is not a strong buy or sell signal, the immediate impact on the stock's price might be limited.