Structure

Key Structure in Stock Portfolio refers to the portfolio's constitution.
Expects an object of type Table1D.
The table consists of 2 columns, whereby the left one specifies the stock names and must bear the title #Name
Case and blank characters are ignored.
The second column must contain the corresponding portfolio weights (in effect the number of shares) and should bear no title, since it is the column that contains the table's values.
Setting a weight to 0 has the effect of removing the corresponding stock from the portfolio.