It’s not so much one big thing as it is general nervousness

Hillary Clinton’s lead over Donald Trump isn’t as secure as it was just 10 days ago. Facebook (FB) busted above expectations for earnings but still fell big on cautious guidance. This week’s initial claims for unemployment came in at 265,000 instead of the 258,000 economists expected. The Standard & Poor’s 500 stock index is marginally lower going into the close–which would make an eighth straight daily decline. Oil continued to sell off as crude unwinds all the gains after OPEC’s promise of production cuts

Big test for Apple–and much of the rest of tech sector–tomorrow when company reports earnings

Apple (AAPL) is set to report earnings for the quarter that ended on September 30 (fiscal fourth quarter earnings for Apple) tomorrow after the market’s close. The stakes are higher than usual. Wall Street is forecasting that iPhone sales will be just 45 million units for the quarter–which would produce the third consecutive quarterly decline in iPhones sale and the first ever year over year drop in sales volumes