The reduction in price target by UBS, despite maintaining a Buy rating, could lead to short-term negative sentiment among investors, potentially causing a decrease in Flywire's stock price. The adjustment reflects a change in valuation expectations, which might be due to various factors such as market conditions, company performance, or sector outlook. Investors often view such adjustments as signals to reassess the value and future performance of a stock, which can lead to short-term price movements.