Trillion-dollar valuations are becoming increasingly common in the AI and tech startup sectors, with companies like OpenAI, SpaceX, and Thinking Machines raising substantial funds. These firms are achieving valuations in the hundreds of billions, reflecting a bullish trend in the tech industry. Experts, including Aswath Damodaran, caution that the revenue targets required to justify such high valuations are exceptionally ambitious. This trend is influencing global GDP, shifting economic focus towards job creation rather than price stability, as indicated by the extreme optimism in the fear and greed index.