Gevo, Inc. (NASDAQ:GEVO) shares are up more than 21% in pre-market trading to $5.68 after the renewable chemicals and advanced biofuels company reported 1Q15 results. Gevo posted quarterly revenue of $5.9 million, a significant increase from $0.9 million in the same quarter of last year. The report also highlighted a recent renewable jet fuel agreement with Alaska Airlines.

Williams Partners LP (NYSE:WPZ) is up nearly 15% to $54.40 per share following an announcement that all public equity of the natural gas company will be bought by Williams Companies Inc. Before the buyout, Williams owned 60% of WPZ. Furthermore, WPZ will raise its 3Q dividend to $0.64 and tells investors to expect a 10% to 15% annual dividend growth through 2020.

Hortonworks Inc. (NASDAQ:HDP) shares increased 12.78% to $4.50 per share following 1Q15 earnings. The California-based computer software company reported strong revenue of $22.8 million, which is triple the figure from the same quarter of last year. Much of the quarterly revenue came from Hadoop, the company’s data-capturing technology.

Pain Therapeutics, Inc. (NASDAQ:PTIE) jumped more than 8.5% to $2.85 in pre-market trading after new data from a recent study revealed that Remoxy, the biotechnology company’s lead pipeline product, could be a less-addictive painkiller due to its high viscosity. Remoxy is currently in Phase III testing.