Check out the companies making headlines after the bell on Thursday:
Shares of Gap slipped more than 1 percent in after hours trading despite the company's earning beat.
The apparel company reported second-quarter earnings of 60 cents per share ex-items. Analysts expected 59 cents per share, according to a Thomson Reuters consensus estimate.
Gap previously announced its second quarter revenues of $3.85 billion on August 8, compared to analysts' estimates of $3.78 billion.
Applied Materials gained more than 5 percent in extended trading following the company's results.
The company reported third-quarter earnings of 50 cents per share ex-items on revenues of $2.82 billion. Analysts had expected 48 cents per share on revenues of $2.84 billion, according to a Thomson Reuters consensus estimate. Applied Materials projects net sales growth for the fourth quarter in a range of 15 percent to 19 percent.
Ross Stores gained 3 percent after hours following the company's earnings and revenue beat.
Ross reported second-quarter earnings of 71 cents per share on revenue of $3.18 billion. Analysts expected 67 cents per share on revenues of $3.13 billion, according to a Thomson Reuters consensus estimate.
Same-store sales were up 4 percent, compared to analysts' estimates of 2.1 percent.
Square was up more than 2 percent in extending trading following an announcement that Point72 Asset Management plans to increase its stake in the company.
Point72 said it took a 5.4 percent stake in Square, a substantial increase from its previous 0.75 percent holding.
On Thursday afternoon, Ryan & Maniskas, LLP announced a class action investigation of G&K Services regarding the sale process.