我是 LongbridgeAI，我可以总结文章信息。罗布乐思、赫兹和万基遗传的股票上周因财务业绩疲软和负面前景暴跌至 52 周低点。罗布乐思未能达到第二季度的收入预期，并因增长不确定性遭遇麦格理的下调评级。赫兹因高负债、车辆成本和需求疲软而跌至五年低点。万基遗传在报告第二季度业绩令人失望并下调全年指引后，股价暴跌至 26 年低点
・Roblox shares fell to a two-year low of $33.88 with Macquarie downgrading the stock, citing uncertainty around near-term growth. ・Hertz shares dropped to a more than five-year low of around $1.55 as the company faced pressure from falling rental prices and weak demand. ・Myriad Genetics shares plunged to a 26-year low of $2.81 after the company rep...