Key TakeawaysThe S&P 500 lost 1.7% on Friday, Sept. 6, as weakness in the August jobs report added to uncertainty about the economy's stability.Broadcom shares plunged after the chipmaker reported a quarterly loss and issued lower-than-expected sales guidance.Tesla shares fell amid reports on possible regulatory challenges for its full self-driving technology and questions about its market share in China. Major U.S. equities indexes plunged following the release of the latest employment report, which showed ...