The study's purpose is to investigate the impact of corporate capital investments on future earnings growth. Furthermore, the study investigates the moderating influence of external pressure on the association between corporate capital investments and future earnings growth in the Egyptian stock exchange. The study relied on a database of 424 observations from 53 non-financial corporations on the Egyptian Stock Exchange from 2015 to 2023. The study used fixed-effect models to estimate the study findings. The study findings reveal that corporate capital investments enhance future earnings growth in the long term. The companies that invest in their capital are associated with higher future earnings. Moreover, the findings corroborate that external pressure moderates the association between corporate capital investments and future earnings growth in the Egyptian stock exchange. The study's originality lies in its exploration of the moderating influence of external pressure on the association between corporate capital investments and future earnings growth by using a sample from Egyptian companies. This research offers practical insights for policymakers, corporations, and stakeholders to enhance future earnings. The study provides actionable insights for corporations to align capital investments with growth practices, enhancing their future earnings.