Zacks Investment Research has recently initiated coverage of SigmaTron International, Inc. (SGMA) with an Underperform recommendation, citing several critical risk factors that could impede the company's future performance.Illinois-based SigmaTron carries a substantial long-term debt of $79.8 million as of Jan 31, 2024. This heavy debt load is a critical risk, as the company must meet strict financial covenants. Any non-compliance could result in defaults, accelerated debt repayments and increased interest ...