Preferred Bank's stock may experience mixed reactions due to the dual nature of the Q4 report. The EPS beat could be seen as a positive sign of profitability and efficiency, potentially leading to a positive sentiment among investors. However, the miss on sales forecasts could raise concerns about growth and revenue generation, which may temper any gains from the EPS beat. The net effect in the short term is likely to be neutral as the market digests both aspects of the report.