Share this article Join the conversation Add us as a preferred source on Google Subscribe to our newsletter (Image credit: Getty Images) Stocks tumbled at the open Thursday as oil prices resumed their uptrend after Iran's new supreme leader, Mojtaba Khamenei, said the Strait of Hormuz, which sees roughly a fifth of global oil pass...

S&P Dow Jones Indices LLC is considering changes to rules governing how companies join the S&P 500 Index, a move that would potentially fast-track SpaceX’s entry after its IPO, people familiar with the matter said.  

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