By Carolina Mandl and Ankika Biswas (Reuters) – The Nasdaq closed lower on Friday with pressure from Apple Inc in a subdued trading session for Wall Street’s main stock indexes. Apple slipped on news of reduced iPhone shipments in November from a Foxconn plant in China as production was hit by COVID-related worker unrest. The holiday-shortened trading session focused on retailers as Black Friday sales kicked off against the backdrop of stubbornly high inflation and cooling economic growth. Shoppers were expected to turn out in record numbers to shop for Black Friday deals, but with inclement w…