Block is trading 4.08% lower at $73.31 amid broad market pressure; available September 28 news identified no clear company-specific catalyst. - Markets were under pressure after rejection of an Iranian proposal sent oil higher and renewed concerns about Treasury yields and inflation. - Bitcoin fell 1.71%, adding crypto-market headwinds, though less than Block’s decline. - The S&P 500, Nasdaq and Dow also fell; available reporting does not establish a direct cause for Block’s larger-than-market decline.