The reiteration of a Buy rating and maintenance of a $35 price target by HC Wainwright & Co. analyst Ed Arce indicates a positive outlook for Inventiva's stock in the short term. This news is highly relevant and important for investors in Inventiva, as it suggests that the analyst believes the stock is undervalued and has potential for growth. The confidence in this analysis is high, as it is based on the opinion of a professional financial analyst.