Australian shares have edged lower at the open as losses posted by miners and financial stocks offset gains from the technology sector. The S&P/ASX 200 Index fell 0.2%, or 13.5 points, to 7267.2. GUD Holdings shot out of the blocks, jumping 8.5% to $11.45, following its market update yesterday and a broker upgrade. A2 Milk was 4.1% higher at $6.04. Bubs Australia surged 15.3% to 41.5¢ after reporting a recovery in sales during the first quarter. Watch why IMF downgraded Australia GDP overnight and much more in this video.