"CarMax, Accenture, Peloton, Jefferies, and More: Midday Stock Movers"

Trimble's stock jumped 6.4% after AGCO Corp announced its acquisition of an 85% stake in Trimble's agribusiness for $2 billion; DigitalBridge shares rose 5.8% following an upgrade by JPMorgan; Jefferies Financial Group's stock rose over 2% despite third-quarter profits being impacted by a slowdown in dealmaking; Duolingo shares gained 4.5% after receiving a buy rating from UBS; CarMax's stock fell 9.5% as the company reported lower earnings and revenue due to weakening demand for used cars.