Datadog Inc. (DDOG) surged 13.74% to close at $129.67, hitting new all-time highs and receiving attention from 75 hedge fund portfolios. Despite strong fiscal Q4 results showing $1.01 billion in revenue, concerns arise with a trailing P/E of 453.32 and insider selling behaviors following the price spike. As the stock remains volatile with a 5.69% risk level, analysts project a wide valuation range, posing questions about sustainability amidst the market's enthusiasm.