Check out the companies making headlines after the bell Monday:
IBM shares took a dip after the tech giant reported a miss on its revenue for the third quarter. The company posted earnings of $3.34 per share on $19.28 billion in revenue. Analysts had expected IBM to report earnings of about $3.30 a share on $19.62 billion in revenue, according to a consensus estimate from Thomson Reuters.
Shares of Sandisk popped in extended hours after Bloomberg reported that the flash memory company was in "advanced talks to sell to Western Digital." According to the report, the two could reach a deal as soon as this week.
Semiconductor Rambus plunged after the company reported a miss on third-quarter revenue. In its earnings release, Rambus also announced a restructuring plan that will cut about 8 percent of staff and lead to about $10 million in savings.
Flextronics shares rallied in extended-hours after the company beat on both the top and bottom line for the third quarter. The supply chain solutions company saw shares jump as high as 10 percent after the news.