The software stock just got much cheaper, relative to revenue and cash flow.Hubspot (HUBS -2.19%) shares are below $500 after falling from their 2024 high of$682, achieved in April. The stock is down 16% year to date and 30% from its 2024 high.Big changes to valuation can be important signals for investors to take action. Either the stock is available at a newly discounted price or there's a fundamental issue that's likely to create more problems.The latest financial results were generally positiveHubspot' ...