The US markets closed mixed on Thursday as some retailers released strong quarterly earnings results and new weekly jobless claims in the US hit a new low last week of 268,000. Nvidia surged 8% yesterday after releasing strong third quarter results. Macy?s skyrocketed 21% on Thursday following the release of third quarter results that topped analysts expectations. Starbucks has launched a cafe in NYC using Amazon?s camera-based payment system, removing the need for cashier?s at the checkouts, in a trial to determine if the cashierless payment system could work across the Starbucks network in the US.