Smart Sand Inc SND Drifts Higher as Stock Tests Key Resistance Near 521 Eltek Ltd ELTK Surges Over 6 Key Levels and Market Dynamics Nuveen AMTFree Municipal Credit Income Fund NVG Inches Up 049 Approaches Key Resistance Merck MRK Hovers Near Support Amid Modest Decline IDE Shares Retreat Amid Broader Market Pressure Key Support Levels in Focus Telecoms CEO Warns Europe Faces Dangerous Overreliance on USLed Satellite and AI Infrastructure