Stock Market Update

[BRIEFING.COM] The S&P 500 (+0.1%) continues to wrestle with its flat line late in the session while the DJIA (+0.7%) outperforms and the Nasdaq Composite (-0.6%) lags. The AI trade will come into full focus after the close with the earnings reports of several key memory names.

Sandisk (SNDK 1402.12, -25.50, -1.79%) heads into fiscal Q4 with momentum back on its side following a sharp rebound in semiconductor stocks, but the setup remains demanding after two consecutive outsized beats and upside guidance. Investors will focus less on whether Sandisk beats and more on whether AI-led demand, NAND pricing, and gross margins can support another strong guide and extend the recent earnings momentum. Sandisk is benefiting from exceptionally strong NAND conditions, supported by AI demand, tight supply, higher pricing, and a richer product mix. The next test is whether sustained Datacenter demand and favorable industry conditions can keep the recent earnings acceleration intact. With adjusted gross margin already approaching 80%, the Q1 outlook will likely carry more weight than the size of the Q4 beat.

Western Digital (WDC 537.70, -10.86, -1.98%) heads into its after-hours report with expectations elevated after four consecutive quarterly EPS and revenue beats, while robust recent results from peers Seagate Tech (STX 866.77, +21.42, +2.53%) and Micron (MU 917.85, +25.18, +2.82%) have further raised the bar for the company. The stock has also rallied about 15% since July 17, even after a volatile stretch, leaving less room for a simple in-line quarter. This print likely needs another clean beat, solid margins, and firm forward commentary to keep sentiment constructive.