Spirit Airlines (SAVE, Financial), a low-cost carrier, saw its stock price dive to an all-time low in after-hours trading. This decline followed reports that the airline is negotiating with bondholders over potential bankruptcy filing terms. The stock plummeted 29% to $1.59, marking its largest percentage drop since January. In regular trading, the stock fell below the previous low of $2.22 and has dropped 86% this year. Insiders reveal that Spirit is also exploring out-of-court restructuring options to man ...