Birkenstock BIRK Shares Surge 33 on 250 Million Share Buyback Announcement US Tipping Culture May Be Gaining Ground Beyond American Borders Retail Sector Adds 22000 Jobs in April Yet Consumer Sentiment Shows Caution Global Markets Edge Higher Amid USIran Talks as Oil Holds Above 100 on Strait of Hormuz Tensions Consumer Sentiment Plunges to Record Low in May Amid USIran Conflict and Inflation Concerns Bureau of Prisons Adopts AI Technology Signaling Shift in Federal Facility Management Taiwan Emerges as Central Issue in TrumpXi Talks Amid Arms Sales Discussions