GE Aerospace's strong Q3 performance, with a 28% increase in orders and a 25% rise in earnings, led to an upward revision of its annual guidance. However, the premarket share price drop of 4.91% suggests that investors may have had higher expectations or concerns about other factors not detailed in the report. The positive earnings and guidance revision are likely to have a positive impact on the stock in the short term, despite the initial negative market reaction.