Market Insider

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Check out which companies are making headlines before the bell:

Lululemon – The athletic apparel maker earned 45 cents per share for the third quarter, four cents above estimates, but the stock is under pressure because of current quarter guidance that's below Street estimates. The company cites "macro and execution issues" for the shortfall.

Ciena– The networking equipment maker earned 16 cents per share for the fourth quarter, excluding certain items, missing estimates by eight cents. Revenue did exceed consensus, but Ciena has been hurt by shrinking margins. Separately, the company announced plans to move its listing to the NYSE from Nasdaq.

Oracle–The software company's stock was downgraded to "sector perform" from "outperform" on a valuation basis. Oracle was also downgraded to "equal-weight" from "overweight" at Morgan Stanley.

Hilton Hotels – Hilton returns to the after pricing its IPO at $20 per share. The sale raised more than $2.3 billion, making it the largest ever hotel IPO.

Facebook – Facebook will join the S&P 500 after the close of business on December 20, replacing Teradyne, which will replace Scholastic in the S&P MidCap 400.

Aramark Holdings — The food services firm priced its IPO At $20 per share, at the low end of the expected range, but raised $725 million in the offering.

Nokia – A court in India agreed to unfreeze the hold authorities had placed on a Nokia factory in a tax dispute. The move will allow Nokia to complete the sale of its handset unit to Microsoft.

PepsiCo– Pepsi will replace Coca-Cola as the beverage supplier to Buffalo Wild Wings, under terms of a newly announced deal.

Vera Bradley– The handbag designer did beat estimates with its third quarter earnings, but same-store sales fell 6.5 percent as customer traffic fell.

Athenahealth – The provider of electronic health records issued 2014 guidance that falls below Wall Street estimates.

Boeing – Boeing got a $6.5 billion order from Air Canada for its 747 MAX aircraft.

Iamgold– The company suspended its dividend until further notice because of the drop in gold prices, in an effort to preserve its balance sheet.

– The clothing retailer earned 90 cents per share, excluding certain items, for the third quarter, beating estimates by four cents. Revenue also beat Street consensus, although its results did fall below year ago levels because of higher costs and smaller profit margins for its tuxedo rental and alteration businesses.

UNS Energy — UNS will be bought by Fortis for about $2.5 billion in cash. Fortis is a Canada-based power company, while UNS is a utility serving Arizona.

Apple – The tech giant won a victory over rival Samsung in a South Korean court, which refused to ban the sale of older iPhone and iPad models in that country. Samsung had claimed those devices infringed on several of its patents.

Freeport McMoRan Copper & Gold – The mining company said Indonesia's proposed mineral export ban would slash its revenue by $1.6 billion next year.

Boston Scientific– The medical products maker won the endorsement of an FDA panel for an experimental stroke prevention device. That device still needs the approval of the full FDA.

Southwest Airlines – Bank of America/Merrill Lynch upgraded the airline's stock to "buy" from "neutral".

By CNBC's Peter Schacknow

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