Final answer:
According to macroeconomics, both Larry's purchase of stocks and Curly Corporation's construction of a new factory would be considered acts of investment.
Step-by-step explanation:
In the language of macroeconomics, investment refers to the purchase of new capital. This includes buying stocks, bonds, and other financial assets that can generate income or appreciate in value over time. Therefore, both Larry's purchase of stocks in A to Z Express Company and Curly Corporation's construction of a new factory would be considered acts of investment.