Get a jump start on the US trading day with Matt Miller and Dani Burger on "Bloomberg Open Interest." It's a risk-off start to December trading as bitcoin sinks below $86,000 and traders brace for deeper drops. Nvidia invests $2 billion in chip-design software maker Synopsys as part of a broader engineering and design tie-up. And Black Friday shoppers showed up — and spent. Retail sales jumped over 4%, signaling surprising consumer resilience. Catalyst Brands CEO and DHL US join Bloomberg Open Interest to talk about whether the fears of an overstretched consumer are unfounded. (Source: Bloomberg)