Determine the sentiment expressed in the news from financial perspective.
Options: negative, positive

Apple Inc (NASDAQ:AAPL) could see a huge fall in iPhone sales over the key Black Friday weekend as it battles supply disruptions in the run-up to the festive season, including from new Covid lockdowns in China to violent protests hitting its principal supplier, Foxconn.  Analysts said the mismatch between demand and supply could cause "major shortages" leading into Christmas season.
negative