The maintenance of a Sell rating by Goldman Sachs indicates a negative outlook on Hormel Foods' stock, suggesting that the analyst believes the stock may underperform the market or its sector. However, the increase in the price target from $26 to $28 suggests a slight improvement in the valuation assessment of the company, possibly due to recent company performance or market conditions. This mixed signal could lead to short-term volatility in the stock price, but the Sell rating predominates as the more impactful piece of information, suggesting a potential decrease in stock price.