 On Wall Street, stock futures are down the day after gains to start the week. It's a big week for hockey and basketball fans, NHL and NBA free agency. The Boston Celtics making history after winning the championship. They're signing Jason Tatum to a record contract, five years, $314 million. And Boston Basketball Partners, LLC, the majority ownership group of the Celtics, intends to sell the team. The managing board of the ownership group expects to sell a majority interest in 2024 or early 2025 with the balance closing