Democratic winners and progressive lawmakers are calling for tougher limits on AI and data centers after the 2026 midterm elections. Stocks related to AI and data centers are facing a slump in premarket trading as Democrats secure significant wins in the US midterm elections. Investors are wary as possible regulatory changes. Shares of Amazon surged 7.4% to a three-month high while Meta Platforms, Alphabet and Microsoft gained between 2% and 6.