As the financial markets become increasingly volatile on a weekly basis, investors are constantly on the lookout for the best investment opportunities. Last week saw investors turning their attention to stocks listed on the Toronto Stock Exchange, or TSX. This week’s TSX hot list features a gain of nearly 40% by Sierra Metals Inc., making it the top-performing stock out of the five featured. Sierra Metals Inc. (TSX: SMT) is a Canada-based base metals and precious metals producer with operations in Mexico and Peru. In the latest week, the Sierra Metals stock saw a jump of nearly 40% in its share price, reaching a closing price of $3.43 per share. Sierra Metals has been on an uptrend since March, despite facing some issues due to the Covid-19 pandemic. The other notable performers in the list are Largo Resources Ltd. (TSX: LGO) and Hudbay Minerals Inc. (TSX: HBM). Largo Resources saw a gain of around 23% for the week, with its share price closing at $2.01 per share. Hudbay Minerals had a jump of about 14%, with its shares closing at $6.82 per share. Sandspring Resources Ltd. (TSX: SSP) and Magna International Inc. (TSX: MG) are the other two stocks featured in the list. Sandspring Resources saw a gain of around 8%, reaching a closing price of $0.30 per share. Magna International had a jump of 4%, closing at $75.25 per share. Overall, this week’s TSX hot list has demonstrated that even during turbulent times, investors can unlock gains in the stock market with the right investments. Investors may want to keep an eye out for companies like Sierra Metals Inc., as it looks set to continue its strong performance in the coming weeks.