McDonald's posts surprise decline in global sales in first quarter
1. McDonald's Q1 global sales fell 1%, contrary to expected growth. 2. CEO cited tough market conditions affecting demand from cash-strapped diners. 3. US comparable sales declined 3.6%, worse than analyst predictions. 4. Income dropped 2% compared to the previous year amidst economic uncertainty. 5. Growth noted in regions like the Middle East and Japan amid challenges.