US stocks fall on November 5 as semiconductor and memory shares decline
Published November 5, 2026 · Updated November 5, 2026 · 4 sources
US indices fell on November 5, 2026, with chip and memory stocks among the hardest hit, according to market reports. Figures are from closes and may change.
The exposed companies and what ATLAS says about each
Price change between the last close before the event and the latest available close. It is a coincidence in time, not a cause-and-effect relationship.
Memory chipmaker named among the hardest-hit semiconductor stocks in the selloff. · Technology
Micron is a memory chipmaker and was named among the hardest-hit semiconductor stocks in the selloff [4]. Its close was $795.23 on November 4 and $677.11 on November 5, down 14.85% between the two closes; this is a coincidence in time, not proof of cause. Its next earnings date is December 16, with estimated EPS of 37.93.
Price between closes
$795.23 → $677.11Close of November 4 and November 5
Fair value (ATLAS)
$2,256.84Fair range: $1,762.03 to $2,861.71The price ($677.11) is 70.0% below that figure.
Chance of a rise in 1 month
47%Probability of closing higher than today within 21 sessions.Normal range: half of the scenarios end between $598.63 and $748.25; 9 in 10, between $491.22 and $911.86.
NAND flash and storage company named among the hardest-hit semiconductor stocks. · Technology
SanDisk is a NAND flash and storage company named among the hardest-hit semiconductor stocks [4]. It closed at $1,037.40 on November 4 and $838.30 on November 5, down 19.19% between the two closes, a coincidence in time.
Price between closes
$1,037.40 → $838.30Close of November 4 and November 5
Fair value (ATLAS)
$3,079.12Fair range: $2,491.56 to $3,805.22The price ($838.30) is 72.8% below that figure.
Chance of a rise in 1 month
45%Probability of closing higher than today within 21 sessions.Normal range: half of the scenarios end between $698.27 and $951.85; 9 in 10, between $530.58 and $1,252.69.
Chip designer named among the hardest-hit semiconductor stocks in the selloff. · Technology
AMD is a chip designer named among the hardest-hit semiconductor stocks in the selloff [4]. Its close went from $488.78 on November 4 to $412.54 on November 5, down 15.60%, a coincidence in time between two closes.
Price between closes
$488.78 → $412.54Close of November 4 and November 5
Chance of a rise in 1 month
47%Probability of closing higher than today within 21 sessions.Normal range: half of the scenarios end between $360.78 and $458.42; 9 in 10, between $291.76 and $566.86.
Chip designer named among the hardest-hit semiconductor stocks in the selloff. · Technology
Qualcomm is a chip designer, and the report cites its weaker revenue and cautious outlook in connection with chip demand concerns [4]. It closed at $173.19 on November 4 and $155.64 on November 5, down 10.13% between the two closes. Its dividend yield is 2.33%.
Price between closes
$173.19 → $155.64Close of November 4 and November 5
Fair value (ATLAS)
$291.09Fair range: $171.57 to $488.95The price ($155.64) is 46.5% below that figure.
Chance of a rise in 1 month
48%Probability of closing higher than today within 21 sessions.Normal range: half of the scenarios end between $140.60 and $169.96; 9 in 10, between $118.84 and $201.09.
Recent results (EPS)
Nov 42.56 actual vs 1.46 est.
Nov 30.33 actual vs 0.41 est.
Jul 292.21 actual vs 2.23 est.In line
Apr 292.65 actual vs 2.56 est.Beat expectations
Dividend
2.33% dividend yieldNext ex-dividend date: December 3, 2026 · 3.62 $ over the last 12 months
Storage maker named as extending its losses during the chip selloff. · Technology
Western Digital is a storage maker named as extending its losses during the chip selloff [4]. Its close was $323.83 on November 4 and $273.72 on November 5, down 15.47% between the two closes, a coincidence in time.
Price between closes
$323.83 → $273.72Close of November 4 and November 5
Fair value (ATLAS)
$209.96Fair range: $121.63 to $362.42The price ($273.72) is 30.4% above that figure.
Chance of a rise in 1 month
46%Probability of closing higher than today within 21 sessions.Normal range: half of the scenarios end between $237.37 and $305.41; 9 in 10, between $189.85 and $381.86.
Recent results (EPS)
Oct 224.64 actual vs 3.99 est.Beat expectations
Aug 53.56 actual vs 3.30 est.Beat expectations
Jun 25-0.16 actual vs -0.14 est.Fell short
May 80.13 actual vs 0.11 est.Beat expectations
Dividend
0.20% dividend yieldNext ex-dividend date: December 4, 2026 · 0.55 $ over the last 12 months
Hard drive maker named as extending its losses during the chip selloff. · Technology
Seagate is a hard drive maker named as extending its losses during the chip selloff [4]. It closed at $557.06 on November 4 and $470.94 on November 5, down 15.46% between the two closes, a coincidence in time.
Price between closes
$557.06 → $470.94Close of November 4 and November 5
Fair value (ATLAS)
$208.58Fair range: $132.21 to $329.08The price ($470.94) is 125.8% above that figure.
Chance of a rise in 1 month
46%Probability of closing higher than today within 21 sessions.Normal range: half of the scenarios end between $407.64 and $525.92; 9 in 10, between $325.24 and $659.18.
US stock indices were trading lower on November 5, 2026, with several semiconductor and memory stocks among the weakest names [4]. One report linked the chip weakness to Qualcomm's weaker revenue and cautious outlook, which added to concerns about chip demand [4].
The Dow, Nasdaq and S&P 500 were all trading in the red on November 5, 2026, according to The Economic Times. Micron, SanDisk, AMD and Qualcomm were named among the hardest-hit chip stocks, while Western Digital and Seagate extended their losses [4].
The report said Qualcomm's weaker revenue and cautious outlook added to concerns about chip demand [4].
A Motley Fool article published the same morning listed rising oil prices, inflation, a Federal Reserve rate increase at its September meeting and a possible slowdown in AI infrastructure spending as risks for the S&P 500 [1]. A Banyan Hill commentary said that last week several Big Tech companies reported earnings and were sold off, and that Intel dropped 28% overnight [3].
What ATLAS data show
ATLAS model estimates of fair value are not promises. For Micron, the estimate is $2,256.84 (range $1,762.03 to $2,861.71), with the November 5 close 70.00% below it. For SanDisk, the estimate is $3,079.12, with the price 72.77% below it. For Qualcomm, it is $291.09, with the price 46.53% below it. Western Digital's estimate is $209.96, with the price 30.37% above it, and Seagate's is $208.58, with the price 125.78% above it. These are model outputs, not advice.
Two events close together in time do not show that one caused the other. The figures come from daily closes and may change as new data arrive.
What you get with ATLAS
Fair value of each company, with its range, against today's price.
Chance of a rise in 1 month and the normal price range, from a calibrated model.
Earnings: next date, estimated EPS and surprise history.
Dividends and alerts by email when a company reports.
Micron, SanDisk, AMD and Qualcomm were named among the hardest hit, with Western Digital and Seagate also extending losses [4].
What did the sources say about Qualcomm?
One report said Qualcomm's weaker revenue and cautious outlook added to concerns about chip demand [4].
How large were the declines between the closes?
Between the November 4 and November 5 closes, Micron fell 14.85%, SanDisk 19.19%, AMD 15.60%, Qualcomm 10.13%, Western Digital 15.47% and Seagate 15.46%.
Closing prices, fair value, probabilities, earnings and dividends: ATLAS own data as of November 5, 2026. How we calculate fair value.
Information, not advice. This content is informational and is not an investment recommendation or an offer to buy or sell securities. ATLAS estimates come from statistical models using public data, can be wrong, and past performance does not guarantee future results. Disclaimer
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