The Dow dropped more than 500 points Wednesday as the 10-year Treasury yield climbed to 5.32%. Small caps fell hardest, with the Russell 2000 down over 1%. Seagate and Western Digital declined on reports Toshiba plans to boost memory chip production. The Fed releases September meeting minutes at 2 p.m. ET. Constellation Brands tumbled 7% after earnings; Neogen surged 14%.

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