Snowflake Nvidia and Unusual Machines Highlighted in Barrons Market Roundup Jalen Durens AllNBA Selection Could Cost Detroit Pistons Nearly 50 Million OpenAI Oracle and SoftBank Pledge Up to 500 Billion for US AI Infrastructure Rising Red Diesel Costs A UK Farmer Fears for His Sons Farming Future Lenovo Shares Surge Over 15 on Record Earnings AI Revenue Nearly Doubles US GDP Growth Revised Downward to 16 Annualized Rate in Q1