Jet fuel is stable because it is only flammable at temperatures between 100°F and 150°F. In comparison, gasoline has a much lower flash point, meaning that it is more volatile and prone to combustion.

Widening performance dispersion among the Am Law 100 suggests that firms, like fuels, respond differently to rising temperature. This year’s financial results tell a story of intensifying competition and continued fragmentation. As most firms dug deep to produce meager gains in revenue and profit, a handful soared to unprecedented heights.