An Investment Adviser Representative buys shares of ABC in his own personal account and then contacts his clients and advises them to buy ABC. This practice is known as

Front running

Explanation:

In simple words, Front-running can be understood as the broker's selling in stock items or some other ongoing financial commodity that has insider information of a potential sale that is going to greatly impact its value. A broker might be front-running on the basis of insider information that his or her business is about to present customers with a buy or sell suggestion that would almost definitely impact an investment's price.

answer the law of increasing costs;