# S&P 500 Reverses After Semiconductor Sell-Off

> Equal-weighted S&P 500 surges 2.5% as semiconductor stocks drop 12% ahead of midterms.
- Title: S&P 500 Reverses After Semiconductor Sell-Off · BigGo Finance
- Summary: Equal-weighted S&P 500 surges 2.5% as semiconductor stocks drop 12% ahead of midterms. The equal-weighted S&P 500 gained 2.5% in October while the standard…
- Keywords: s&p 500, semiconductor sell-off, phlx semiconductor index, energy sector, consumer staples, midterm elections, nvidia, carson group, spider fund, finance, markets, 500
- Source: BigGo Finance — https://finance.biggo.com/news/9db21965-5e1e-4c36-a7ea-8fe2b1270ad0
- Author: BigGo Finance
- Published: 2026-10-27T15:35:14+00:00
- Read time: 1 min
- Topics: s&p 500, semiconductor sell-off, phlx semiconductor index, energy sector, consumer staples, midterm elections, nvidia, carson group, spider fund, finance, markets
## S&P 500 Reversal
The equal-weighted S&P 500 gained 2.5% over the past month while the standard S&P 500 fell 0.9%.
## Semiconductor Sell-Off
The PHLX Semiconductor Index dropped 12% in October as investors shifted capital from tech stocks.
## Energy and Consumer Staples Rise
Energy stocks gained 13% and consumer staples rose 9% in October, marking their best monthly performance in nearly five years.
## Market Rotation
Investors rotated from semiconductor stocks to energy and consumer staples ahead of the Nov. 3 midterm elections.
## Historical Context
Midterm years historically show weak returns followed by gains of about 14.5% over the next 12 months.
## 2018 Election Impact
The 2018 midterms led to a bear market that bottomed on Christmas Eve, contrasting with the current trend.
## Key takeaway

The equal-weighted S&P 500 gained 2.5% in October while the standard S&P 500 fell 0.9%, driven by a semiconductor sell-off and rotation into energy and consumer staples.