Key TakeawaysThe S&P 500 rebounded on Thursday, Aug. 8, 2024, jumping 2.3% as fresh jobless claims data helped ease worries about the economy.Eli Lilly shares popped after the drugmaker reported better-than-expected earnings for the second quarter, boosted by the popularity of its weight-loss drugs.Electronic technology manufacturer Parker-Hannifin reported strong demand in its aviation services business, and its shares took off. Major U.S. equities indexes rallied after jobless claims data released Thursda ...