Apple easily beat Wall Street's targets for the December quarter, thanks to record iPhone sales. Apple stock rose in extended trading. 

In brief Bitcoin and the broader equity markets declined amid a global risk-off move, driven by a mix of macro and geopolitical factors. Next Fed chair speculation centers on former Fed Governor Kevin Warsh as the frontrunner following reports of a high-profile White House meeting on Thursday. A late-night Senate deal to fund the government...

Bitcoin slumped to a two-month low on Friday as speculation the next chair of the U.S. Federal Reserve might tighten up on cash ​in the financial system hit cryptocurrencies and lifted the dollar.