Fermi, a Texas company co-founded by former U.S. Energy Secretary Rick Perry, on Monday filed for an initial public offering in the United States, as companies rush to tap investor enthusiasm for new issues. The terms of the offering were not disclosed. Wall Street's IPO season is off to a strong start post-Labor Day, bouncing back from the August slowdown, with a busy calendar featuring big names like Swedish fintech Klarna and the Winklevoss twins' crypto exchange Gemini. Ticket reseller