Australian shares are enduring their worst trading day since the year began, as Wall Street eased off its record highs and Facebook shares were sold off more heavily than other tech stocks. By 2:05pm AEDT, the benchmark ASX 200 index was down 112 points (-1.6 per cent) to 6,773. The broader All Ordinaries index had dropped by a similar level to 7,044 points, wiping out all its gains from the past two weeks. In fact, the last time the market experienced such heavy falls (in a single day) was October 27 — when it shed 1.7 per cent. The Australian dollar rose was steady at 77.65 US cents. Bitcoin has pulled back … (full story)