If you have any money invested in stocks, exchange-traded funds or mutual funds, chances are that you woke up on New Year?s morning feeling a little richer than the year before.The year just ended was a remarkably strong one for stock markets, especially in New York. Our own TSX lagged well behind Wall Street but still managed to post a modest gain of 6 per cent for 2017.However, that?s all history. What do you do now?The starting point is to check your asset mix. How much do you currently have invested in stocks, bonds and...