Bloomberg US equity-index futures witnessed volatile trading even as European stocks fall amid a spike in sovereign yields as investors digested the Federal Reserve’s indication of a more aggressive policy tightening. Contracts on the technology-heavy Nasdaq 100 Index were down 0.4%, after a loss of as much as 0.9%. S&P 500 Index futures lost 0.2%, after a 0.5% drop …

  Bloomberg Investors have enjoyed world-beating returns for years by owning shares of trillion-dollar technology companies, so it’s tempting to say it’s time to bail out now that bond yields are on the rise. Plenty of fund managers are resisting that temptation. Since the bull market kicked off amid the financial crisis of 2008-2009, combined value of Apple Inc, Microsoft …

  Bloomberg German energy giant Uniper SE was forced to borrow billions to pay down margin calls — the collateral that exchanges require to back up trades — as European gas and electricity prices rallied. Uniper got additional loans totaling 10 billion euros ($11.3 billion) from its Finnish parent Fortum Oyj and KfW IPEX-Bank, the company said in a statement …