Lam Research's September-quarter report gives shareholders a stronger operating scorecard. It does not by itself establish that the stock has repaired its longer decline. This Stock of the Day examines the cash behind the earnings, the next-quarter assumptions and the dated price levels that separate those questions.
A record quarter with operating leverage
Lam reported $8.22 billion of revenue for the quarter ended September 27, compared with $6.72 billion in June. GAAP operating margin reached 40.0%, up from 37.4%. GAAP diluted EPS rose to $2.19 from $1.81; the separate non-GAAP figures were $2.20 and $1.82. The modest latest adjustment does not make the two accounting bases interchangeable.
Systems and customer support deserve separate attention. New equipment is exposed to the timing of customer investment; spares, service and upgrades address the installed base. The customer-support-related and other category also includes non-leading-edge equipment; it is not a purely recurring service-revenue bucket. Neither category eliminates the semiconductor spending cycle. The useful follow-through is whether customers keep accepting equipment while the support business converts activity into profit.
Official September-quarter results.
Check the cash after the investment bill
The September cash-flow statement reports $3.50 billion from operations and $257.70 million of capital expenditures and intangible assets. Subtracting the latter produces $3.24 billion. This is our clearly defined arithmetic remainder, not a claim that every issuer uses the same free-cash-flow definition. It is before share repurchases, dividends and debt payments.
Cash conversion can vary with working capital. A favorable quarter is stronger evidence than an earnings headline alone, but should be tested over several periods. Customer acceptance, collections and the inventory required to support future deliveries can move cash differently from reported revenue.
Guidance sets a test, not a delivered result
For the quarter ending December 27, management guided to revenue of $8.60 billion, plus or minus $400 million. That is an $8.20–$9.00 billion range. The midpoint is an expectation issued with the report, not revenue already earned. The operating question is whether capacity, delivery and acceptance can support growth without eroding profitability.
A strong result can still disappoint expectations embedded in a stock price. This review does not infer the cause of a daily move from the chart, label a consensus beat without a verified comparable estimate, or turn guidance into a price target.
The completed chart is a separate scorecard
Lam closed October 21 at $260.81, before the earnings release. The separate October 22 regular-session observation was $232.84, down 10.72% from that close. This recorded reaction is not a completed daily candle or a continuously live price. It was below Wednesday's $259.04 intraday low and the July 29 closing low of $252.35. Those earlier references now require a reclaim, rather than being described as support still holding.
The completed October 21 averages were $308.04 for 20 sessions, $306.45 for 50 and $283.18 for 200. The separate observation was below all three. These are independently calculated averages of completed closes; today's changing quote has not been inserted into them. The July 29 intraday low of $250.50 is also a different level from that day's closing low. Neither a prior low nor an average guarantees where a decline stops.
Keep the full decline beside the rebound
In the retained completed history, Lam's June 30 closing peak was $433.33. The subsequent July 29 closing low was $252.35, a 41.76% decline. The October 21 close of $260.81 was only 3.35% above that low. Those are closing-price calculations; intraday highs and lows are different references.
A daily reclaim needs more than a brief intraday move through a line. The confirmation we look for is a daily retest and a close above the relevant reference. A later close back below the tested area would weaken that recovery case. The moving averages will change as additional sessions close.
The business case strengthens if growth keeps producing operating cash after investment. The stock case also requires sustained price repair and expectations that the business can meet. These are related tests, not substitutes for one another.
Completed price history · Nasdaq dated history
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