These giant entities are typically some sort of parent company with subsidiaries. It is not unheard of for unrelated businesses to join together. In fact, this type of arrangement is favored in some ways because the various companies do not compete for the same sources of business. Rather, they are allowed to coexist under the umbrella holdings of their parent corporation where they quietly thrive and expand.
Conglomerates tend to do well economically, as big business’ interests back them, as they grow and thrive in the market. The economic size of these large entities makes good investments on the stock market and as mutual fund vehicles. The diversity of each makes for an interesting portfolio mix.
The performance of these conglomerates is dependant on the health of the markets involving their parts. Because no two are exactly alike, specific conglomerates must be singled out to study the profit centers of each before a sound investment decision can be reached. Once a potential investment has been identified, it can be purchased after its performance in the market is observed.