SEC Rule Change Sparks Resurgence in Speculative Retail Trading

A significant regulatory shift is lowering the barriers for retail investors to engage in high-frequency day trading, triggering a revival of speculative 'meme stock' activity. This trend is coinciding with a broader rally in risk assets, partly supported by geopolitical easing following an Iran ceasefire. The catalyst is a recent U.S. Securities and Exchange Commission (SEC) approval of a FINRA proposal to scrap the Pattern Day Trader (PDT) rule. Previously, traders executing four or more day trades within five business days were required to maintain at least $25,000 in margin equity. This threshold has been replaced by a more flexible 'intraday margin' framework, which FINRA described as a modernization of outdated rules from the Dotcom era. The impact of this change is already evident in highly volatile price actions. Allbirds, which rebranded as NewBird AI to pivot toward compute infrastructure, saw shares spike from approximately $2.50 to $24 before retreating to around $8. Similarly, Avis Budget Group (CAR) surged from under $100 to a record high near $850 before experiencing a sharp intraday reversal. Analysts at JPMorgan note that crowding in these speculative trades is approaching levels seen during previous extreme risk-on cycles. By removing the $25,000 barrier, the market is opening the door for investors with smaller accounts to execute short-term strategies more aggressively. While this is expected to increase overall retail trading volumes and liquidity, it is also likely to amplify price volatility in momentum-driven stocks.