Take a look at some of the biggest moves.

After CEO Musk challenged the UAW to try and organize his company's assembly plant in California, shares fell 1.2% in premarket trading.

The salad chain reported strong sales growth in its first quarterly report since going public. The company lost more money.

After the retailer reported a narrower-than-expected loss for the fourth quarter, shares of Gap surged in premarket trading. Gap posted a loss of 2 cents per share, which was worse than the 14 cents forecast by Refinitiv analysts. Revenue beat estimates.

The retail stock retreated 2% after a better-than- expected quarterly report. The company reported fiscal second-quarter earnings of $2.92 per share on revenue of $51.9 billion. The Refinitiv analysts had expected earnings of $2.74 on revenue of $51.47 billion.

Despite a slight earnings beat, shares dipped 2.3%. Excluding items, the company reported fourth-quarter earnings of 50 cents per share. Analysts had expected a profit of 48 cents per share on revenues of $1.32 billion.

The chip stock rose more than 3% premarket after it beat Wall Street expectations. The company reported adjusted earnings of $8.39 per share, which was in line with analysts' expectations. The second-quarter revenue guidance came in above expectations.

Best Buy's stock price fell 2% in early morning trading after Raymond James lowered its rating to market perform from outperform.