DeepSeek's Impact on SaaS Valuation: Uncertainty, Long-Term Forecasts, and the Rule of 40

DeepSeek's emergence triggered a $1 trillion market sell-off in AI hardware stocks while paradoxically benefiting SaaS companies, creating significant uncertainty around AI cost structures, competitive dynamics, and long-term revenue durability. The article argues that SaaS valuation multiples diverge dramatically even among companies with similar Rule of 40 scores due to differences in long-term growth forecasts and macro uncertainty, and that CFOs should focus on consistent "Beat & Raise" execution to build confidence during periods of high uncertainty.