1. Appian (APPN) stock fell by 13.9% over the last three weeks. 2. Concerns are rising about slowing cloud revenue and profitability issues. 3. APPN has historically underperformed the S&P 500 during economic downturns. 4. Current high valuation renders APPN stock unattractive; P/E at -309.5. 5. Projected further decline could leave APPN at $27, causing investor discomfort.