Nasdaq to tighten rules on small stocks after suspected ‘pump and dump’ scams
“拉高出货”骗局激增，纳斯达克拟收紧小盘股规则

Technology-heavy exchange has grappled with rise in volatile trading related to US-listed Chinese companies
这家以科技股为主的交易所一直在与在美上市的manbetx3.0 公司相关的波动性交易激增作斗争。