Lumentum Just Joined the S&P 500: What Could Keep the Huge Rally Going and What Could End It
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Lumentum Just Joined the S&P 500: What Could Keep the Huge Rally Going and What Could End It
"We are only at the starting line for two substantial opportunities: optical circuit switches (OCS) and co-packaged optics (CPO). In OCS, we are scaling rapidly to meet extraordinary customer demand that has already driven our backlog well beyond $400 million."
"The stock trades at a trailing P/E of 212x and a price-to-sales ratio of 24.7x. The analyst consensus target is $708.57, over 11% below the current price."
Lumentum closed at $801.99 on March 24, 2026, marking a 989.2% gain over the past year. The company was added to the S&P 500 and is the second-best performer among its components. Revenue grew 65.5% year-over-year in Q2 FY26, with management forecasting continued growth. CEO Michael Hurlston highlighted significant opportunities in optical circuit switches and co-packaged optics. However, the stock's high P/E ratio and analyst consensus target below the current price raise concerns about valuation and risk.
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