After-Hours Buzz: HPQ, AIG, TXN & More

Check out which companies are making headlines after the bell Thursday:

Hewlett-Packard - The computer hardware giant posted earnings of 82 cents a share, excluding one-time items, on revenue of $28.36 billion, easily topping expectations for 71 cents a share on sales of $27.79 billion. In addition, the company handed in current-quarter and full-year earnings guidance that topped expectations, sending shares sharply higher in extended-hours trading.

(Read More: Stocks End Off Lows, but Materials Lag; Vix Jumps)

AIG - The insurance company posted earnings of 20 cents a share on revenue of $8.61 billion. Analysts expected the company to post a loss of 8 cents a share on revenue of $8.7 billion. Shares rallied in extended-hours trading.

Texas Instruments - The chipmaker boosted its dividend by 33 percent and announced an additional $5 billion in share buybacks. Shares rose in extended-hours trading.

Gardner Denver - Private-equity firm KKR bid $75 a share for the diversified machinery company, according to a report from Bloomberg. Shares jumped in extended-hours trading.

Heinz - The ketchup maker posted earnings 99 cents a share on revenue of $2.93 billion, topping expectations for 90 a share on sales of $2.99 billion. Last week, Warren Buffett's Berkshire Hathaway and 3G Capital Management acquired the company. Including debt, the deal was valued at $28 billion.

Nordstrom - The upscale department store chain posted earnings of $1.40 a share on revenue of $3.6 billion. Analysts expected the company to post earnings of $1.34 a share on revenue of $3.7 billion. Meanwhile, the company handed in full-year revenue guidance that was below Wall Street consensus, sending shares lower in extended-hours trading.

Marvell Technology - The semiconductor company posted earnings of 19 cents a share, excluding one-time items, on revenue of $775 million, beating expectations for 13 cents a share on sales of $721 million. Shares rallied in extended-hours trading.

Flowserve - The diversified machinery company posted earnings of $2.83 a share on revenue of $1.33 billion, edging past expectations for $2.84 a share on sales of $1.32 billion. In addition, the company increased its quarterly dividend by 17 percent to 42 cents a share from 36 cents a share.

WebMD - The health information services website posted earnings of 8 cents a share on revenue of $133 million, beating expectations for a loss of 4 cents a share on sales of $124 million. But the company handed in better-than-expected current-quarter revenue guidance, sending shares sharply higher in extended-hours trading.

Broadcom - Piper Jaffray initiated coverage of the tech company with an "overweight" rating and a price target of $50 a share.

Regions Financial - The regional bank elected CEO Grayson Hall as its chairman, succeeding Earnest Deavenport, effective mid-May.

—By CNBC's JeeYeon Park (Follow JeeYeon on Twitter: @JeeYeonParkCNBC)

Questions? Comments? Email us at [e-mail]