Zscaler Shares Plunge Over 30 as Downbeat Revenue Outlook Surprises Investors Kazatomprom Reports 17 Production Increase in Third Quarter Bolstering Uranium Supply Oil Prices Plunge Over 5 as Iran Nuclear Deal Hopes Intensify Mark Zuckerberg Signals Meta Could Enter Cloud Computing Market London Stock Exchange Group Reports Income Growth Driven by Tradeweb Performance Global Stocks Gain as USIran Talks Show Progress Oil Prices Rise Vestas Wind Systems Shares Decline After Margin Guidance Update