A 6-Day Losing Streak Has Rocket Lab Stock Down 21%
Rocket Lab (RKLB) stock is on a 6-day losing streak, down 21.2% since the run began. That erased about $10.0 billion from the company’s market value, which now stands at about $37.3 billion. The stock closed at $59.18 on Wednesday, October 14, 60.6% below its 52-week high of $150.23 and 49.9% above its low of $39.48.
RKLB Versus The S&P 500
Returns for RKLB and the S&P 500 over the streak and the periods around it, all ending Wednesday, October 14 and including dividends:
| Return Period | RKLB | S&P 500 |
|---|---|---|
| 1 Day | -7.8% | -1.1% |
| 6 Days (Current Streak) | -21.2% | -1.3% |
| 1 Month (21 Trading Days) | -6.9% | 1.8% |
| 3 Months (63 Trading Days) | -12.1% | 2.7% |
| Year To Date | -15.2% | 13.8% |
| 1 Year (252 Trading Days) | -9.5% | 17.3% |
Is This Move About Rocket Lab Or The Market?
Over the same 6 trading days, the S&P 500 returned -1.3% including dividends, so the slide is mostly Rocket Lab’s own story rather than the market’s. Over the past three months the stock is down 12.1%, a window that includes the streak; over the other 57 sessions of that window it was up 11.4%.
Is The Business As Weak As The Stock?
On the fundamentals, revenue grew 52.5% over the last twelve months, against a median of 7.3% for S&P 500 Industrials stocks; and its operating margin is -29.1%, versus a median of 17.6%. Rocket Lab does not have positive trailing earnings, so there is no meaningful price-to-earnings multiple to compare. The fundamentals give the sellers some support: an operating loss.
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A Slide Like This Is Why Diversification Exists
Watching one stock fall day after day is the clearest lesson the market teaches about single-name risk. Whether this particular decline is an opportunity or a warning, the deeper point is the same: no one name should be able to do this to your portfolio.
The Trefis High Quality (HQ) Portfolio is built on that principle: roughly 30 businesses selected for consistent cash generation, strong margins, and resilient balance sheets, sized and rebalanced with rules. It has a track record of outpacing a benchmark that combines the S&P 500, the S&P MidCap 400, and the Russell 2000. Study the slide; spread the risk.