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After-hours buzz: SanDisk, Intel, JPMorgan & more

Traders at the New York Mercantile Exchange.
Adam Jeffery | CNBC
Traders at the New York Mercantile Exchange.

Check out the companies making headlines after the bell Tuesday:

Intel shares inched lower after the chipmaker beat on the top and bottom lines with earnings of 64 cents a share on $14.47 billion in sales. Wall Street projected earnings of 59 cents a share on $14.22 billion.

Dollar General said it would cut 255 corporate support jobs as a part of a business restructuring that's aimed at driving stronger growth. Shares slipped about 1 percent after the announcement.

SanDisk shares rose on a Bloomberg report said the flash storage provider was in talks with a banker about the potential sale of the company. The report, which cited unnamed sources with knowledge of the matter, said the company had drawn interest from rival chipmakers Micron Technology and Western digital. Micron shares were up about 4 percent after hours, while Western Digital shares were flat. The stock was last up about 12 percent.

Transportation supplier CSX saw its shares rise about 1 percent after it beat third-quarter-earnings estimates by 2 cents, with earnings of 52 cents a share. But revenue of $2.94 billion trailed projections of $2.98 billion. The stock was last flat in extended-hours trading.

JPMorgan, the largest U.S. bank, reported third-quarter earnings of $1.32 a share on $23.54 billion in revenue, down 6 percent from a year ago. Shares slipped about 1 percent after the bell.