i see no one responded. the pounding continued and got worse since your post. i messaged 3 other boards this past week wondering the same thing. i got nothing tangible, nothing definitive. i do know that institutional selloff was going on nearly every day. just don't know why.
interest rate fears seemed "normal". inflation remained stable. treasuries remained relatively constant. no earth shaking news from the fed. still in all, utilities took a beating while DJI continued to climb.