Welcome to Bull Street Buzz — Sunday, October 12th 2025, 5:27pm — 'I Tracked Amazon's Prime Day Prices. We've Been Played' - Slashdot — New China tariffs announced during government shutdown and AI valuation debate are a ‘perfect storm coming together,’ top economist says - Fortune — The Gold Rush in Manhattan’s Diamond District - The Wall Street Journal — Tariffs and AI Spending in Focus as Traders Brace For Earnings - Yahoo Finance — Why the New York Stock Exchange just crowned a Gen Z billionaire: Shayne Coplan figured out a society that gambles on everything - Fortune