GM Stock Slides on Slashed EV Production and Slipping Market Share

General Motors (NYSE:GM) shares fell sharply in afternoon trading on September 30, dropping 4.1% to $77.19 as investors reacted to a combination of negative company-specific news and a challenging macroeconomic environment for traditional automakers.

Production Cuts and Market Share Erosion

A primary driver of the sell-off was the disclosure that GM is significantly scaling back production of its Chevrolet Bolt EV. The company is now on pace to build approximately 35,000 units before the model is phased out in the first quarter of 2027, a reduction of roughly 75% from the original target of 150,000 vehicles. According to the report, the cutback follows an expected drop in demand due to the removal of the $7,500 federal EV tax credit for the model in 2025.

Compounding the pressure on the stock, a recent forecast from Cox Automotive indicated that GM's U.S. market share is contracting. The report showed the automaker's share slipping to 16.7% in the third quarter from 17.4% a year earlier, as consumers reportedly gravitated toward more fuel-efficient rivals amid elevated energy costs.

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Macro and Sector Headwinds

The decline occurred against an unfavorable backdrop for the auto sector. Persistently high Treasury yields continue to elevate auto loan financing costs, putting pressure on consumer purchasing power. While the broader S&P 500 and Nasdaq indices gained ground on September 30 following a cooler-than-expected inflation report, cyclical stocks like GM struggled.

The negative sentiment was not isolated to GM. Sector peer Stellantis also saw its shares fall this week amid an unresolved labor dispute in Canada. This contrasts with the performance of EV-focused Tesla, which managed a modest gain for September, highlighting a market divergence between legacy automakers and their EV-native competitors. Investors now await GM's third-quarter earnings report on October 20 for further details on its performance.