MobbleOpen in Mobble ⇢
Business · Stock markets · published 2026-09-28 · via Chartmill

S&P 500 Stocks Showing Major Opening Gaps on Monday

Image via Chartmill
Image via Chartmill

The article reviews S&P 500 companies that opened Monday's session with unusually large price gaps, concentrating on gap-down names. It lists declines and gaps for Bloom Energy, Qualcomm, DoorDash, Coherent, SanDisk, Intel, Boeing, Lumentum, CDW, and Western Digital. Some moves were linked to company announcements, including a securities fraud lawsuit involving Bloom Energy and an aircraft acquisition from WestJet.

Expanded Detail

Monday's S&P 500 session featured several notable downward opening gaps. Bloom Energy fell 7.44% after a 9.25% gap, with a securities fraud lawsuit announcement cited. Qualcomm dropped 7.15% after an 8.99% gap, while DoorDash, Coherent, SanDisk, Intel, Boeing, Lumentum, CDW, and Western Digital also opened sharply lower.

Boeing's 4.54% decline followed a 6.68% gap and coincided with news that FTAI acquired 27 Boeing 737-700 aircraft from WestJet. Other gap-down names included Coherent at 7.19%, SanDisk at 7.13%, Intel at 7.83%, Lumentum at 7.05%, CDW at 8.91%, and Western Digital at 5.93%.

Context

Sharp opening gaps in large S&P 500 companies may affect investors, including retirement savers and index-fund holders, through short-term portfolio swings. Employees and suppliers tied to these firms could face uncertainty if declines persist, while customers may see little immediate change. The cited lawsuit and aircraft deal may draw attention to legal and strategic risks, but single-day moves often reflect sentiment rather than lasting economic effects.

Expanded detail and Context are AI-generated analysis; the linked article remains the authoritative source.
Read the full article at Chartmill →
Related stories
Monday Trading: Stocks With Notable Opening Gaps · Stock markets
This summary is Al-enhanced to contain extended analysis and broader social context. The original is {NAME); the linked article is the authoritative source. Original headline: “What's going on in today's session: S&P500 gap up and gap down stocks.” Browse more stories.