Check out which companies are making headlines after the bell Monday:
Zillow - The online real estate database said it will acquire map-based rental site HotPads for $16 million in cash. The transaction is expected to close in the fourth quarter of this year. (Click here for after-hours quote.)
(Read More: Stocks Cut Losses to End Mixed; Apple Rallies)
Facebook - The social-networking giant continued to edge higher in extended-hours trading after soaring more than 8 percent in the regular trading session. Earlier, Bernstein upgraded the company's stock to "outperform" from "market perform" and raised its price target to $33 from $23. (Click here for after-hours quote.)
Las Vegas Sands - he developer of integrated casino resorts announced a special dividend of $2.75 a share. In addition, the company announced it will boost its existing dividend by 40 percent to $1.40 a share starting next year. Shares rallied in extended-hours trading. (Click here for after-hours quote.)
Dillard's - The department store chain declared a special dividend of $5 a share and announced a quarterly dividend of 5 cents a share. Shares climbed in extended-hours trading. (Click here for after-hours quote.)
Thor Industries - The maker of RVs posted earnings of 60 cents a share on revenue of $876 million, missing expectations for 62 cents a share on sales of $877 million. Shares declined in extended-hours trading. (Click here for after-hours quote.)
Children's Place - The children's apparel retailer approved an additional $100 million share buyback program and appointed Michael Scarpa as its new CFO. Scarpa will succeed Steven Baginski. (Click here for after-hours quote.)
Shanda Games - The online gaming company posted earnings of 17 cents a share on revenue of $170 million. Analysts expected the firm to report a profit of 16 cents a share on sales of $171 million. (Click here for after-hours quote.)
Hillenbrand - The funeral products company reported earnings of 50 cents a share, beating expectations by 6 cents a share. However, revenue fell short of estimates. (Click here for after-hours quote.)
BankUnited - The financial services company increased its quarterly dividend by 23.5 percent to 21 cents a share from 17 cents a share. (Click here for after-hours quote.)
AvalonBay - The real estate investment trust announced a 14.5 million share offering through Goldman Sachs. The firm expects to use the net proceeds to pay back a fraction of the debt that the company will assume following its acquisition of certain assets of Archstone from Lehman Brothers. (Click here for after-hours quote.)
(Read More: CNBC's Market Insider Blog)
—By CNBC's JeeYeon Park (Follow JeeYeon on Twitter: @JeeYeonParkCNBC)
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