By Jeffrey Quiggle Sam Bankman-Fried’s ambition for celebrity endorsements included an effort to reach the superstar. When cryptocurrency exchange FTX raised $400 million from investors such as Softbank, Temasek, Tiger Global and others in January, its net worth took off. The funding lifted its value to $32 billion. By November, it was bankrupt. While FTX pumped up its reputation with big-name investors, it was also allying itself with high-profile celebrities, including NFL great Tom Brady, supermodel Gisele Bundchen, NBA superstars Stephen Curry and Shaquille O’Neal, tennis player Naomi Osak…