Aust shares open higher December 23, 2013 - 10:18AM The share market has opened higher, with sentiment boosted by better than expected economic growth in the United States. At 1015 AEDT on Monday, the benchmark S&P/ASX200 index was up 19.1 points, or 0.36 per cent, at 5,284.3, while the broader All Ordinaries index was up 19.6 points, or 0.37 per cent, at 5,281.2. On the ASX 24, the March share price index futures contract was 37 points at 5,262, with 6,148 contracts traded.