Black Fridays by Stephen W. Sears

In this gripping financial thriller, a former Wall Street trader, who has served time for insider trading, finds himself drawn back into the high-stakes world of finance. As he struggles to rebuild his life and reconnect with his autistic son, he is offered a chance to work on a mysterious project that promises redemption but also harbors dangerous secrets. Navigating a web of deceit, betrayal, and corporate intrigue, he must confront his past and make choices that could either save or destroy him and those he loves.