Many collapsed by more than 80% without creating lasting damage to the wider financial system. Years of loose monetary policy and government spending increased available capital, and zero-commission trading made speculative investing more accessible. New technologies and financial products have also given investors a steady supply of themes promising rapid returns. If the broader AI trade proves to be a bubble, losses could spread beyond technology investors to lenders and the wider economy. Related articlesWhy US stock bubbles keep bursting without derailing the wider marketNvidia's new Alpamayo project: What it means for Tesla?