US stocks are fast becoming a favourite with Indian investors. The numbers show it. Many international platforms and discount brokers offer Indian investors a route to global stocks. That includes shares listed on the Nasdaq and those in the S&P 500 index. But the route comes with a price tag. Buying US stocks is not as simple as buying Indian shares. There are a few extra steps. The main one is turning rupees into dollars, at the foreign exchange rate on the day of the transaction.