Analyst upgrades typically lead to positive short-term price movements as they reflect a positive change in the analyst's view of the company's future prospects. The upgrade from Neutral to Buy suggests a strong confidence in the company's potential for growth or improvement. The announcement of a $68 price target further indicates a bullish outlook on the stock, suggesting that it is currently undervalued and has room to grow. Investors often react positively to such upgrades, which can lead to an increase in stock price in the short term.