Cisco Systems - JPMorgan Chase has downgraded Cisco to "underweight" from "neutral" on a valuation basis, saying the shares are vulnerable after a recent runup.
EBay - EBay reported fourth-quarter profit of $0.70 per share, one cent above estimates. However, eBay's current quarter earnings per share (EPS) and revenue forecasts fall below estimates. Many analysts had expected a more upbeat forecast given a boom in mobile shopping and a substantial increase in the number of transactions processed by the company's PayPal unit.
Boeing - The Federal Aviation Administration has grounded Boeing's 787 jets while a battery issue is being investigated. Airlines in other countries are grounding the jets as well pending the outcome.
Oneok - Oneok has increased its quarterly dividend by three cents per share to $0.36. The energy producer's dividend is payable Feb. 14 to shareholders of record as of Jan. 31.
Williams-Sonoma - The retailer reports a 4.8 percent increase in same-store holiday season sales, and it is also reiterating its prior fourth-quarter and fiscal-year guidance.
CBS - CBS is seeking to divest its outdoor ad businesses in Europe and Asia, and will convert its Americas outdoor division into a real estate investment trust. This comes after the company announced in November that it was considering options for those units.
Herbalife - Investor Carl Icahn has reportedly joined the battle over Herbalife by taking a small stake, according to The Wall Street Journal. Herbalife has come under intense focus since investor Bill Ackman announced a 20 million share short bet against Herbalife, calling the company "a pyramid scheme."
Rio Tinto - The mining giant has fired Chief Executive Tom Albanese, and said it was taking a $14 billion writedown of the value of Albanese's two biggest acquisitions.
Kellogg - The cereal maker is being sued by a subsidiary of Mondelez International, the recent Kraft Foods spin-off, which claims Kellogg is making improper use of its patents for packaging in its Keebler and Sandies cookies.
K-Swiss - The footwear maker has agreed to be acquired by South Korean retailer E-Land World for $4.75 per share, or about $170 million in cash. That's a nearly 50 percent premium to Wednesday's closing price for K-Swiss shareholders.