Concrete Specialties, a Wyoming Corporation v. H. C. Smith Construction Co., a California Corporation, and the Boeing Company, a Delaware Corporation

MURRAH, Chief Judge.

H. C. Smith Construction Co. appeals from judgment on a jury verdict in favor of Concrete Specialties in a suit against Smith and The Boeing Co., 1 alleging that they “willfully and wrongfully prevented” Concrete from performing its contract with Smith for supplying concrete in the construction of Wyoming missile sites. Concrete sought to recover the monies spent in preparing for performance of the contract and also the profits which it would have realized by performance. Smith’s answer denied that it had wrongfully prevented Concrete’s performance and as a defense…