Group 1 - United Parcel Service, Inc. (UPS) has a high dividend yield of 7.8%, which raises concerns about its sustainability [1][2] - The stock has declined by 33% year-to-date, indicating potential underlying issues [2] - High dividend yields are often associated with troubled companies, which adds to the apprehension regarding UPS [2] Group 2 - UPS provides a range of services including transportation, distribution, contract logistics, ocean and air freight, customs brokerage, and insurance [2] - Despite the potential of UPS as an investment, certain AI stocks are considered to offer greater upside potential and less downside risk [2]