Veeco Instruments' Q4 earnings beat and positive guidance for FY 2023 suggest a strong financial health and potential for future growth. Historically, the company's stock price has reacted positively to earnings beats, as seen in the last quarter with an 8.57% increase the following day. The consistent outperformance in earnings and the optimistic outlook for the fiscal year are likely to instill confidence in investors, potentially leading to a short-term increase in stock price.