Nasdaq to tighten rules on small stocks after suspected ‘pump and dump’ scams
Technology-heavy exchange has grappled with rise in volatile trading related to US-listed Chinese companies
Technology-heavy exchange has grappled with rise in volatile trading related to US-listed Chinese companies

A handful of Nasdaq-listed Chinese companies crashed last month after heavy promotion on social media

Regulators crack down after trading in ‘toxic’ small-cap stocks from China inflicted losses on US investors

Regulators put accounting and underwriting groups in crosshairs after FT report on billions of dollars lost

Tech shares extend recent declines as rising debt piles in many major economies concern investors

Volatility is keeping market-making desks active at a time when mergers and issuance have slowed

Nasdaq buoyed by investor hopes for Fed rate cut in December