Check out which companies are making headlines after the bell Monday:
Boeing - The aerospace and defense company boosted its quarterly dividend by 10 percent to 48.5 cents a share and resumed its $3.6 billion share buyback program. Shares were largely unchanged in extended-hours trading.
(Read More: Stocks End Near Highs on 'Cliff' Optimism)
Widely-followed bank analyst Meredith Whitney upgraded the financial sector, saying "the banks right now are more than adequately capitalized." In particular, Whitney upgraded Citigroup, Bank of America and Discover Financial.