By Ankika Biswas and Johann M Cherian (Reuters) – Wall Street slipped on Tuesday, following mixed earnings from United Parcel Service and General Motors, as well as resilient labor market data that dampened expectations for an early start to rate cuts. United Parcel Service slumped 8.1%, after the package delivery giant forecast annual revenue below estimates. It also said it would cut 12,000 jobs and explore strategic options for its truckload freight brokerage business. The results dragged down Dow Jones Transport Average index 1.5% to a one-week low. General Motors, on the other hand, jumpe…