Check out which companies are making headlines before the bell:
BlackBerry—The smartphone maker won another court victory against Typo Products, which markets a BlackBerry-like keyboard that fits on an iPhone. A U.S. court upheld a preliminary injunction that prohibited the sale of that product.
Ann Inc–Activist investors Engine Capital and Red Alder have delivered a letter to the board of the Ann Taylor parent, saying the company is deeply undervalued and urging Ann Inc. to explore all available strategic alternatives to enhance shareholder value.
Burger King Worldwide–Burger King is in discussions with Canadian doughnut chain Tim Hortons about a possible merger. Such a deal would be structured as a tax inversion, with the combined company headquartered in Canada.