The maintenance of a Sell rating by a major analyst like Goldman Sachs typically indicates a bearish outlook on the stock, suggesting that the analyst believes the stock may underperform the market or its sector. However, the increase in the price target could imply that the analyst sees some limited upside potential or less downside risk than previously thought. This mixed signal might lead to short-term uncertainty among investors, potentially causing some downward pressure on the stock price, but the raised target could mitigate the impact slightly.