Fetching details from the dictionary...
individual investor
手数料引き下げで個人投資家が急増。
Individual investors surged due to the fee reduction.
個人投資家向けの投資セミナーは好評だ。
The investment seminar for individual investors is well-received.
個人投資家が小型株の株価を協調買いで大幅に押し上げた。
Individual investors significantly pushed up the stock price of the small-cap company through coordinated buying.