Taiwan Semiconductor posted a first-quarter earnings beat. Here's what analysts are saying / Stocks making the biggest moves midday: UnitedHealth, First Solar, Morgan Stanley, Taiwan Semiconductor and more / Stocks making the biggest moves midday: Taiwan Semiconductor, On Semi, Delta Air Lines and more / Stocks making the biggest moves premarket: Elevance Health, Taiwan Semiconductor, Expedia, Lucid and more / Here are Monday's biggest analyst calls: Nvidia, Amazon, Microsoft, BJ's, Planet Fitness, Taiwan Semiconductor and more / Stocks making the biggest moves premarket: Taiwan Semiconductor, Insulet, Paramount Global and more / Tuesday's analyst calls: Taiwan Semiconductor a buying opportunity, CrowdStrike upgraded / Stocks making the biggest moves premarket: Taiwan Semiconductor, Tesla, Carvana and more / Stocks making the biggest moves midday: Novavax, Taiwan Semiconductor, Sweetgreen and more / Stocks making the biggest moves premarket: EBay, Tesla, Taiwan Semiconductor, Alaska Air and more