What's going on in today's pre-market session: S&P500 movers

By Mill Chart - Last update: Oct 13, 2025

The US market is yet to commence its session on Monday, but let's get a preview of the pre-market session and explore the top S&P500 gainers and losers driving the early market movements.


premarket

Gainers

TickerChangeComment
WDC5.52%The pre-market session on Monday saw a significant rise in WESTERN DIGITAL CORP's (NASDAQ:WDC) shares, climbing 5.52% to $121.79. Shareholders saw the stock price going 74.51% higher in the past 3 months.
STX4.95%During Monday's pre-market trading, SEAGATE TECHNOLOGY HOLDINGS (NASDAQ:STX) demonstrated strong momentum, with the stock price rising 4.95% to $225.0. The stock is trading 45.66% higher than 3 months ago.
KLAC4.71%Pre-market trading on Monday showed positive momentum for KLA CORP (NASDAQ:KLAC), as the stock price advanced 4.71% to reach $1.03K. In the last 6 months the share price increased with 46.63%.
MU4.65%During Monday's pre-market session, MICRON TECHNOLOGY INC (NASDAQ:MU) experienced a 4.65% increase, with the stock price reaching $190.05. In the last 3 months the stock gained 45.83%.
EL4.61%ESTEE LAUDER COMPANIES-CL A's (NYSE:EL) shares rose 4.61% to $91.69. The stock is trading 58.7% higher than 6 months ago.
TER4.48%TERADYNE INC's (NASDAQ:TER) stock price increased by 4.48% to $138.0. The stock is trading 36.09% higher than 3 months ago.
AMAT4.31%APPLIED MATERIALS INC's (NASDAQ:AMAT) stock price increased by 4.31% to $219.0. In the last month the stock gained 25.12%.
MPWR4.24%During Monday's pre-market trading, MONOLITHIC POWER SYSTEMS INC (NASDAQ:MPWR) demonstrated strong momentum, with the stock price rising 4.24% to $942.75. In the last 3 months the share price increased with 22.88%.
LRCX4.19%LAM RESEARCH CORP (NASDAQ:LRCX) recorded a 4.19% increase in share price during the pre-market session, reaching $136.87 on Monday. Shareholders saw the stock price going 29.14% higher in the past 3 months.
ON3.98%Pre-market trading on Monday showed positive momentum for ON SEMICONDUCTOR (NASDAQ:ON), as the stock price advanced 3.98% to reach $47.56. Shareholders saw the stock price going 23.42% lower in the past 3 months.

To see the full list of premarket gainers you can use our premarket gainers page.

ESTEE LAUDER COMPANIES-CL A

NYSE:EL (2/13/2026, 8:05:06 PM)

After market: 108.24 0 (0%)

108.24

+1.82 (+1.71%)


SEAGATE TECHNOLOGY HOLDINGS

NASDAQ:STX (2/13/2026, 8:00:00 PM)

After market: 423 -2.99 (-0.7%)

425.99

-5.18 (-1.2%)


WESTERN DIGITAL CORP

NASDAQ:WDC (2/13/2026, 8:00:01 PM)

After market: 281.2 -0.38 (-0.13%)

281.58

-2.52 (-0.89%)


MONOLITHIC POWER SYSTEMS INC

NASDAQ:MPWR (2/13/2026, 10:27:51 PM)

After market: 1171.47 0 (0%)

1171.47

+15.54 (+1.34%)


APPLIED MATERIALS INC

NASDAQ:AMAT (2/13/2026, 8:00:00 PM)

After market: 354 -0.91 (-0.26%)

354.91

+26.52 (+8.08%)


KLA CORP

NASDAQ:KLAC (2/13/2026, 8:20:56 PM)

After market: 1464.13 0 (0%)

1464.13

+13.28 (+0.92%)


LAM RESEARCH CORP

NASDAQ:LRCX (2/13/2026, 8:22:08 PM)

After market: 234.95 -0.58 (-0.25%)

235.53

+4.24 (+1.83%)


TERADYNE INC

NASDAQ:TER (2/13/2026, 8:00:00 PM)

After market: 314.45 -0.21 (-0.07%)

314.66

+3.63 (+1.17%)


MICRON TECHNOLOGY INC

NASDAQ:MU (2/13/2026, 8:27:17 PM)

After market: 409.01 -2.65 (-0.64%)

411.66

-2.31 (-0.56%)


ON SEMICONDUCTOR

NASDAQ:ON (2/13/2026, 8:00:01 PM)

After market: 72.88 +0.67 (+0.93%)

72.21

+1.58 (+2.24%)



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