On Mag-7, Microsoft & Dancing Robots

They may be magnificent, but they’re not invincible. The Mag-7 has been beaten down into correction territory, but the group still wields outsized influence over stock-market performance by virtue of its still huge market-cap share. Jackie examines the valuation carnage and whether it seems warranted relative to earnings prospects. … Also: A look at embattled Microsoft as it fends off competitive attacks from multiple directions. … And: China’s humanoid robots strutted their stuff on a televised celebration of the Chinese New Year. Their awesome performances suggest robotics competitors have their work cut out for them.