Citigroup upgrades Trade Desk (NASDAQ:TTD) to "Outperform," signaling a bullish stance on the stock.Trade Desk launches Audience Unlimited to enhance its digital advertising data marketplace, aiming to improve third-party data usage for advertisers.Despite a price target reduction from Citizens JMP, the stock experiences a 5.30% rise, indicating strong investor interest and market confidence in Trade Desk's growth potential.Trade Desk (NASDAQ: TTD) is a prominent player in the digital advertising industry, ...