Dow Jones Industrial Average has planned adding Goldman Sachs, Visa and Nike. The index will also remove Hewlett-Packard, Bank of America and Alcoa. Investment bank Goldman Sachs would benefit from the addition to the stock index. The changes will be implemented from September 23. Dow Jones includes 30 stocks and gives an indication of the better performing companies in the stock market. The three companies to be removed from the index were trading low on the stock markets. The stocks have underperformed the market. Goldman Sachs stock was up by 2.3 percent in premarket trading. Visa and Nike both were...