Moby on Instagram: "Rivian shares jumped more than 20% on Wednesday after a strong third-quarter earnings beat, with revenue up 78% year-over-year to $1.56 billion, topping Wall Street’s $1.49 billion estimate. The EV maker delivered 13,201 vehicles, its best quarter this year and a sharp rise from 8,640 in the first quarter. Efficiency improvements that cut 1.6 miles of wiring, 500 parts, and 100 assembly steps reduced material costs by 35% and drove a $250 million improvement in automotive ope