Jim Cramer reflects on 30 years of 'Squawk Box'
1. Investor sentiment is returning to excitement about individual stocks. 2. Cramer compares today's market to the 90s, pre-dotcom bubble. 3. Large individual stocks are seeing significant gains in short time. 4. Investors are becoming more aware of market opportunities, moving back to stock investing. 5. Cramer cites data center stocks as a lucrative theme for investment.