This exercise illustrates the accounting for passive equity investments in other companies (marketable equity securities). It focuses specifically on equity securities classified as either trading securities or AFS securities. It is intended for use in an introductory financial accounting course to introduce the accounting for marketable equity securities. It may be used as a stand-alone exercise or followed by the Berkshire Hathaway Inc.?Intercorporate Investments (A) and (B) cases (UVA-C-2240 and UVA-C-2276). The instructor may also assign the technical note, "Accounting for Marketable Securities," (UVA-C-2280) to accompany the case.