Nu NU Stock Up 407 Key Resistance at 1343 20260520 Aviat AVNW Climbs 172 Resistance at 1679 in Focus 20260520 Nifty 50 Edges Up as Tech Soars Energy Lags Olympus CEO Navigates Turbulent First Year as Shares Surge 20 Samsung Electronics Union Talks Collapse as Strike Threat Looms Over Global Chip Supply Chain Google Likely Thwarts Hacker Groups AIPowered Mass Exploitation Event Attempt Kiplinger Retail Outlook Consumer Spending Holds Steady Despite Rising Gas Prices