Micron Stock Surges 4.1% as Samsung Strike Threatens Memory Supply

Micron shares are rising, but not because of anything happening inside the company. The stock went up 4.1% in premarket trading on Wednesday after talks between Samsung Electronics and its labor union failed. This breakdown makes a production walkout much more likely, which could further strain the global memory chip market. Here’s what a Samsung strike could mean for Micron investors and how big the supply disruption might be.

On Wednesday, Samsung management said it could not agree to the union’s demand to give 15% of operating profit to employee bonuses. Now, workers are threatening a general walkout starting Thursday, May 30, which could last until June 7. Jefferies estimates that a nine-day strike like this could disrupt about 3% of global memory chip production. This would have a significant impact, especially given that prices are already rising rapidly due to strong demand for AI infrastructure.

The situation is serious enough that the government is getting involved. South Korea’s Prime Minister warned that even one day without Samsung chip assembly could cause losses of up to 1 trillion won, or about $667.6 million. The government says it will use every option available to stop a walkout.

A local court has told the union to keep enough staff on hand to maintain safety during any strike, but it did not ban the strike completely. This means the situation is still not settled as Thursday approaches.

If Samsung produces fewer chips, Micron could gain more pricing power and see customers place orders faster as they look for other suppliers. Memory chip prices were already going up before the strike threat. If Samsung’s problems last longer, this trend will likely get even stronger.