The ASX200 is set to rise 0.76%, buoyed by stronger performances in US stocks overnight. The US market saw a rebound on Monday, influenced by a strong rally in tech shares after a difficult week. The S&P 500 increased 1.1%, the Nasdaq 100 rose 1.5% and the Dow Jones gained 127 points. Investors were focused on the news that President Joe Biden has stepped down from his campaign and given the nod to Vice President Kamala Harris to take his place. The ASX will see a new float today: mining and exploration company Axel Ree Ltd (ASX:AXL), which will be looking for rare earth elements (REEs) in Bra…