An investment product (mutual fund) that pools money from many investors for a management company to invest collectively in stocks, bonds, etc.; often abbreviated as '投信'.
銀行で投資信託の口座を開いて毎月積立を始めた。
I opened an account for mutual funds at the bank and started monthly contributions.
投資信託はリスク分散が図れる一方で手数料に注意が必要だ。
Investment trusts can provide diversification, but you need to watch out for fees.
この投資信託は海外株式へ重点を置いた運用方針だ。
This mutual fund has an investment policy focused on overseas equities.