Global investors are starting to cut back on stock market positions, wary of a wave of financial market turbulence in the final quarter of 2014 as the era of cheap money ends. The tide turned abruptly this week with the close of the third quarter and major stock markets have lurched down at the start of October, a month associated with previous market shakeouts including the 1929 and 1987 crashes. Since reaching that peak on Sept. 19, Wall Street has dropped nearly 4 percent and many expect more volatility to come. Unfortunately you’ve now got to invest with seat-belts on…