Walk into the Bellagio in Las Vegas and the architecture is engineered to keep you comfortable, confident, and spending. The lights are warm, the drinks keep coming, and every few minutes someone at a slot machine squeals with delight — loud enough for the whole floor to hear. Nobody announces the losses. Wall Street operates on exactly the same psychology. The ticker scrolls, the CNBC anchors beam, and every so often a retail trader posts a screenshot of a ten-bagger on Redd