Check out which companies are making headlines before the bell:
Tiffany — The luxury goods retailer earned an adjusted $1.46 per share for its latest quarter, with revenue also scoring a slight beat. Tiffany said it expects earnings growth to resume in the second half of the year.
Adobe Systems — The software company earnings an adjusted 66 cents per share for its latest quarter. That was 5 cents above estimates, while revenue was slightly above forecasts, as well. Adobe also gave upbeat guidance for the current quarter as digital media sales surge.
JPMorgan Chase — The bank increased its stock buyback program by $1.88 billion. That amount will be added to the $6.4 billion authorization put in place last summer.
Shutterfly — Shutterfly named Christopher North as president and chief executive officer, effective May 31. Interim CEO Phil Marineau will remain in place until that date. North comes to the online photo service from Amazon.com's U.K. unit.
Columbia Pipeline Group — The company agreed to be bought by TransCanada for $10.2 billion. The deal for the Houston-based natural gas pipeline operator is worth $25.50 per share, compared to yesterday's close of $23.51.
Viacom — Viacom has gotten interest from about three dozen companies for a minority stake in its Paramount Pictures film studio, according to CEO Philippe Dauman. He made his comments in an interview with The Wall Street Journal.
Aeropostale — Aeropostale plans to seek strategic alternatives, after the teen apparel retailer said it could face liquidity problems after failing to solve a dispute with a major supplier. That news comes after the company reported a 13th consecutive quarterly loss.
Whole Foods Market — Whole Foods will replace fast-growing industry standard chickens with slower growing varieties. The natural foods grocer said the chickens will have better lives and yield better meat.
Lear — Lear is in talks with the United Auto Workers union to return jobs to Detroit from Mexico. The automotive supplier did not give details on the talks, but is said to be trying to get the union to agree to lower wages.
Valeant Pharmaceuticals — The battered drug stock is rebounding in premarket trading, although it is only making up for a fraction of the drop that sent it from Monday's close of $69.04 to a low this week of $29.52.
Las Vegas Sands, Wynn Resorts — The casino operators are seeing their stocks rise following Macquarie Research's upgrade of the Macau casino sector to neutral. That comes amid signs that the severe slump in Macau gambling is bottoming.
Shoe Carnival — The shoe retailer beat estimates on both the top and bottom lines, and registered its sixth straight quarter of same-store sales growth.