(plaintiff is experienced cattleman who was displaying bulls during beef exposition at fairgrounds; plaintiff was trampled by two bulls while helping unload two bulls owned and raised by third party from trailer; plaintiff suffered injury to right femoral vein and tore left rotator cuff which prevented him from continuing work as cattle embryologist; plaintiff sued to recover economic loss from inability to continue embryo business; court reversed lower court judgment granting plaintiff summary judgment; court determined that plaintiff presented sufficient material issues of fact to preclude summary judgment on lost profit and wages claim).