US Stocks Slide as DeepSeek Sparks Widespread AI SellOff Shell SHEL Upgraded to Buy Following ARC Resources Deal Consumer Pessimism Persists Americans Remain Gloomy on Economy Despite Cooling Inflation Davey Tree Appoints Grisko to Board of Directors in Strategic Governance Move Semtech Reports Q1 Revenue Growth to 291 Million and Net Income of 266 Million China Coking Coal Prices Surge After Fatal Shanxi Mine Accident Staten Island Shipyard Explosion Raises Safety Concerns and Operational Disruption