Top Big Cap Negative News Movers Premarket:  Weakness in Memory and Chips following China headlines on competition - WDC MU SNDK SKHY STX DRAM CIFR: -13% Proposed Private Offering of $850.0 Million of 0.00% Convertible Senior Notes Due 2032 and Concurrent Exchange of Convertible Senior Notes Due 2030 FUN: -7% Closes 9 rides following fatal incident in Georgia  S: -7% Proposed Private Placement of $1.25 Billion of Convertible Senior Notes Due 2031 BNTX: -5.5% Provides Update on Phase 2/3 Clinical Trial for mRNA Cancer Immunotherapy Candidate BNT113  ASTS: -4% Downgraded to NEUTRAL @ Piper  DPZ: -3% Earnings  JNJ: -2.5% Earnings 13-OCT-2026 08:29 AM ET