KLA Stock: 9 Straight Red Days, Down 16%
KLA (KLAC) stock is on a 9-day losing streak, down 15.7% since the run began. That erased about $42.4 billion from the company’s market value, which now stands at about $227.9 billion. The stock closed at $174.46 on Thursday, October 15, 42.1% below its 52-week high of $301.37 and 61.4% above its low of $108.12.

How The Streak Stacks Up Against The S&P 500
Returns for KLAC and the S&P 500 over the streak and the periods around it, all ending Thursday, October 15 and including dividends:
| Return Period | KLAC | S&P 500 |
|---|---|---|
| 1 Day | -2.4% | 0.3% |
| 9 Days (Current Streak) | -15.7% | 0.3% |
| 1 Month (21 Trading Days) | 4.2% | 2.6% |
| 3 Months (63 Trading Days) | -17.9% | 4.1% |
| Year To Date | 44.1% | 14.2% |
| 1 Year (252 Trading Days) | 71.0% | 17.9% |
How The Streak Compares With The Market
The market explains little of this: the S&P 500 gained 0.3% over the same 9 sessions, including dividends, against KLA’s -15.7%. 1 other S&P 500 stock is currently on losing streaks of 9 days or longer. Over the past three months the stock is down 17.9%, a window that includes the streak; over the other 54 sessions of that window it was down 2.6%.
What The Numbers Say About The Slide
On the fundamentals, revenue grew 11.7% over the last twelve months, against a median of 17.9% for S&P 500 Information Technology stocks; its operating margin is 41.7%, versus a median of 21.6%; and the stock trades at 47.2 times trailing earnings against a median of 35.6. The read is mixed: margins above the median on one side, revenue growth below the median on the other.
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Falling Prices Test Conviction. Rules Do Not Flinch
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