These S&P500 stocks are gapping in today's session

By Mill Chart - Last update: Dec 16, 2025

Tuesday's session is showcasing interesting market movements in the S&P500 index, with notable gap up and gap down stocks. Stay updated with the gapping S&P500 stocks in today's session.


gap

Gap down stocks

TickerChangeComment
APA-4.12%APA CORP's (NASDAQ:APA) shares experienced a 4.12% decline to $24.23 during Tuesday's session, accompanied by a 6.78% gap. In the last 6 months the stock gained 26.54%.
FANG-4.1%DIAMONDBACK ENERGY INC's (NASDAQ:FANG) shares recorded a 4.1% decline to $147.75, with a notable 6.26% gap during today's session.
HAL-3.92%HALLIBURTON CO's (NYSE:HAL) shares experienced a 3.92% decline to $27.3 during Tuesday's session, accompanied by a 4.98% gap. In the last 3 months the share price increased with 26.21%.
PSX-3.78%Unfavorable news for PHILLIPS 66's (NYSE:PSX) stock! It witnessed a 3.78% decline to $136.16 in today's session, along with a 4.17% gap. A press release (Phillips 66 announces 2026 capital budget) was released yesterday.
PFE-3.75%During Tuesday's session, PFIZER INC's (NYSE:PFE) stock price decreased by 3.75% to $25.44 with a significant 4.62% gap. Earlier today the company had a press release: Pfizer Reaffirms Full-Year 2025 EPS Guidance and Provides Full-Year 2026 Guidance.
MRK-3.14%MERCK & CO. INC.'s (NYSE:MRK) shares suffered a 3.14% decline to $97.11 during Tuesday's session, accompanied by a 4.04% gap. In the last 3 months the stock gained 23.0%.
EPAM-3.04%EPAM SYSTEMS INC's (NYSE:EPAM) shares experienced a 3.04% decline to $205.69 during Tuesday's session, accompanied by a 4.27% gap. In the last 3 months the share price increased with 35.81%.
BKR-3.01%BAKER HUGHES CO's (NASDAQ:BKR) shares declined by 3.01% to $45.48, showing a 4.64% gap in today's session. In the last 6 months the share price increased with 20.23%.
COP-3.0%CONOCOPHILLIPS's (NYSE:COP) shares fell 3.0% to $91.53 during Tuesday's session with a gap of 4.39%.
OXY-2.96%During Tuesday's session, OCCIDENTAL PETROLEUM CORP's (NYSE:OXY) stock price decreased by 2.96% to $39.0 with a significant 5.06% gap.

For the full top loser list go to our gap down stocks screener.

APA CORP

NASDAQ:APA (3/12/2026, 6:53:49 PM)

After market: 33.7201 +0.11 (+0.33%)

33.61

+0.64 (+1.94%)


OCCIDENTAL PETROLEUM CORP

NYSE:OXY (3/12/2026, 7:00:00 PM)

After market: 59.0018 +0.59 (+1.01%)

58.41

+2.83 (+5.09%)


CONOCOPHILLIPS

NYSE:COP (3/12/2026, 7:00:00 PM)

After market: 120.9 +0.64 (+0.53%)

120.26

+3.23 (+2.76%)


HALLIBURTON CO

NYSE:HAL (3/12/2026, 7:00:00 PM)

After market: 34.83 -0.01 (-0.03%)

34.84

-1.09 (-3.03%)


MERCK & CO. INC.

NYSE:MRK (3/12/2026, 7:00:00 PM)

After market: 115.546 -0.36 (-0.31%)

115.91

-0.3 (-0.26%)


PFIZER INC

NYSE:PFE (3/12/2026, 7:00:00 PM)

After market: 26.92 +0.06 (+0.22%)

26.86

-0.44 (-1.61%)


BAKER HUGHES CO

NASDAQ:BKR (3/12/2026, 6:58:25 PM)

After market: 56.2496 +0.35 (+0.63%)

55.9

-3.07 (-5.21%)


EPAM SYSTEMS INC

NYSE:EPAM (3/12/2026, 7:00:00 PM)

After market: 135.81 0 (0%)

135.81

-6.17 (-4.35%)


PHILLIPS 66

NYSE:PSX (3/12/2026, 7:00:00 PM)

After market: 174.44 +0.35 (+0.2%)

174.09

+4.59 (+2.71%)


DIAMONDBACK ENERGY INC

NASDAQ:FANG (3/12/2026, 6:55:10 PM)

After market: 177.65 +0.64 (+0.36%)

177.01

+0.37 (+0.21%)



Find more stocks in the Stock Screener

Follow ChartMill for more
Follow us on StockTwitsFollow us on InstagramFollow us on FacebookFollow us on YouTube