The ASX 200 index closed down 1.6 per cent at 8416.5 points after falling as much as 2 per cent to a 5.5-month low of 8383.2 after Wall Street’s AI bubble fears returned and Nvidia fell.

Some tractors end up as scrap metal. Others are repurposed to elevate grain or push snow. Museums showcase the best ones. The luckiest machines become heirlooms passed down through generations. That’s ...