Final answer:
The scenario described is an example of insider trading.
Step-by-step explanation:
The scenario described in the question is an example of insider trading. Insider trading refers to the illegal practice of trading stocks using confidential, non-public information that is not available to the general public. In this case, Jennifer received privileged information from her friend, the executive manager of MegaRed Inc., which gives her an unfair advantage in trading the company's stock.