KEY TAKEAWAYS Shares of Spirit Airlines fell further Friday, a day after the budget airline said it would furlough about 240 pilots and reported a wider-than-forecast quarterly loss. The airline posted a $192.9 million second-quarter loss, far larger than its $2.3 million loss in the prioryear period. Earlier this week, Spirit announced plans to offer more premium services, including bigger seats, to boost revenue. Shares of Spirit Airlines (SAVE) fell further Friday, a day after the budget airline said it ...