Apple Mac sales are slowing down for the first time in two years (AAPL)

Apple's Mac line of computers — which includes MacBook laptops and iMac desktops — just had its slowest sales quarter since the same period in 2013, the Wall Street Journal reports, citing the latest analyst estimates.  The overall PC market has been shrinking for some time, and that did not change in the third quarter, with worldwide shipments dipping 10.8% to 71 million units, says analyst firm IDC.  Apple continued its streak of consistently bucking that trend, with worldwide shipme...