Apple became the first company to reach a $1 trillion market capitalization twice, after falling below it in 2018.
Apple first crossed $1 trillion in August 2018, then moved back below that level during a sharp market decline later that year. It reclaimed the milestone in 2019 as its share price recovered and investors responded to continuing strength in services, wearables, and the broader iPhone ecosystem.
This fact highlights why market-cap milestones are not permanent titles. A company can cross a numerical threshold, lose value as its share price changes, and cross it again without any comparable change in its legal identity or share count.
The milestone is sometimes confused with Apple’s later $2 trillion and $3 trillion records. Those were larger thresholds, while this question focuses on returning to the same $1 trillion level for a second time.