Spaniards and Latin American immigrants who bought lottery tickets in an upper middle class Madrid neighborhood hit the jackpot on Monday, cracking open bottles of champagne on the streets as they celebrated winning €400,000 ($490,000) payoffs from a €2.5 billion ($3 billion) pot of cash divided among thousands of ticketholders. More than 100 of the top winning tickets were sold in the downtown neighborhood, though 20 were also purchased in the southern city of Cádiz and a handful were sold in other cities across the nation. …