This has been an excellent year for the broader index as well as the industrial sector, with all-time highs across machinery companies and defense contractors. But package delivery giant United Parcel Service (UPS -0.84%) has been noticeably absent from the rally. It is down 20.1% year to date at the time of this writing, and 45.9% from its all-time high.Here's what's driving the sell-off and if the high-yield dividend stock is worth buying now. Higher interest rates have sparked a cyclical downturn in the ...