WhyMyStockMoved: big stock moves explainedBig stock moves explained in plain English, usually within hours.https://whymystockmoved.com/en-usFri, 23 Oct 2026 08:28:13 GMTCATL falls 54% since June as taxes squeeze profit and customers movehttps://whymystockmoved.com/stocks/cyaty/2026-10-23-why-catl-stock-is-down-so-much/https://whymystockmoved.com/stocks/cyaty/2026-10-23-why-catl-stock-is-down-so-much/Shares of CATL, the world's largest EV battery maker, have lost more than half their value in Hong Kong since June. New Chinese battery taxes and a shrinking export rebate are cutting its profit per battery, and customers such as Li Auto and Xiaomi are moving orders to rivals. The Hong Kong market and battery peers fell far less, so most of the drop is about CATL.Fri, 23 Oct 2026 08:28:13 GMTWhyMyStockMoved EditorsTrendCYATYIndustrialsGE Vernova sinks 11% on Meta's AI spending scare, not its own newshttps://whymystockmoved.com/stocks/gev/2026-10-22-why-ge-vernova-stock-fell/https://whymystockmoved.com/stocks/gev/2026-10-22-why-ge-vernova-stock-fell/GE Vernova had no news of its own. It fell with other data-center power stocks after Meta's results showed AI spending outrunning the cash its business generated, raising doubts about how long big tech can keep paying for the build-out.Fri, 23 Oct 2026 00:36:51 GMTWhyMyStockMoved EditorsGEVIndustrialsMeta falls 7% as AI spending outruns the cash its business makeshttps://whymystockmoved.com/stocks/meta/2026-10-22-why-meta-stock-fell/https://whymystockmoved.com/stocks/meta/2026-10-22-why-meta-stock-fell/Meta beat forecasts on sales and outlook, but AI spending pushed its quarterly free cash flow below zero, and it created non-voting shares it can sell to raise money. Investors focused on the bill for the AI build-out, and the stock closed down 7%.Fri, 23 Oct 2026 00:36:51 GMTWhyMyStockMoved EditorsMETATechnologyModerna falls 18% as strong cancer-vaccine data misses sky-high hopeshttps://whymystockmoved.com/stocks/mrna/2026-10-22-why-moderna-stock-fell/https://whymystockmoved.com/stocks/mrna/2026-10-22-why-moderna-stock-fell/Moderna's cancer vaccine cut the risk of melanoma returning or death by 42%, in results that leaked early and were officially released that afternoon. That was less than an earlier, smaller trial showed, and the stock, up about 8× this year before the drop, fell as much as 26% and closed down 17.6%.Thu, 22 Oct 2026 20:00:00 GMTWhyMyStockMoved EditorsMRNABiotech