Cramer Warns Of 'Speculative Tsunami,' Says He's Avoiding Archer Aviation Stock

1. Jim Cramer advised against recommending ACHR, suggesting it will decline further. 2. Archer Aviation announced a partnership for a hospital-based vertiport in UAE. 3. UiPath shares experienced a substantial 40% increase before a recent dip. 4. Overall sentiment is negative toward speculative stocks like ACHR amid market volatility.