 one large-cap bank or insurance company); however, greater diversification, and usually lowered risk, is afforded if the basket contains shares from many corporations in the same sector (e.g.financial services) or across different sectors.The composition of the underlying basket of shares could be relatively fixed, that is, managed passively as in an exchange-traded fund; however, it is usually the case that the managers of the split share corporation have some flexibility to actively manage the relative proportions of the holdings within the basket in an attempt to increase the return.