最新报道:Archer Aviation (ACHR) stock surged 7.30% to $12.41 on Monday, extending Friday's 12.67% rally amid speculation about a potential Tesla partnership. Trading volume hit 48.7 million shares as retail investors reacted to cryptic videos from both companies hinting at an October 7 announcement. The stock reached an intraday high of $12.82, pushing its two-day gains above 20% and market cap to approximately $8 billion. Neither company has confirmed the collaboration rumors.