A diversified portfolio of shares is a popular investment strategy that allows investors to spread their money across a range of companies in various industries, decreasing the overall risk of their investment. Synonyms for a portfolio of shares include a stock portfolio, an equity portfolio, a basket of stocks, a share basket, and a stock collection. It's important to note that the terms 'portfolio of shares' and 'stock portfolio' aren't limited to the stock market. They can also refer to a collection of investments in other types of securities like bonds, mutual funds, or exchange-traded funds. Ultimately, when creating a diverse portfolio of shares, it's essential to do proper research, select carefully, and keep track of your investments over time.