Jim Cramer: This Financial Firm Is A Buy, But Not This Semiconductor Stock

1. Jim Cramer recommends buying American Financial Group (AFG) stock. 2. AFG expected to report lower earnings per share compared to last year. 3. NXP Semiconductors faces downgrade from Citigroup, impacting investor sentiment. 4. AFG shares rose 0.3%, while NXP shares fell 1.8% during the session. 5. Analysts predict AFG's revenue growth despite expected earnings decline.