Check out which companies are making headlines before the bell:
AOL—Verizon is buying AOL for $50 per share or $4.4 billion in cash, with AOL CEO Tim Armstrong continuing to lead the company after it becomes a wholly owned Verizon subsidiary.
PartnerRe—European investment company EXOR is offering $137.50 per share for the reinsurer, valuing it at $6.8 billion. That tops its prior bid of $130 per share or $6.4 billion and is above the $125.17 per share value of PartnerRe's prior agreement to be acquired by AXIS Capital.
Hertz Global—The car rental company said it would be unable to file its quarterly report by the deadline without causing "undue effort and expense." It is currently in the process of extensively reviewing prior year results.
International Flavors & Fragrances—The company reported quarterly profit of $1.45 per share, 2 cents above estimates, with revenue also beating forecasts. The maker of flavorings and fragrances saw growth in both its businesses, and across all world regions.
Tesla—Maryland's governor will either sign or veto a bill today to allow direct sales of Tesla automobiles to consumers in that state.
Apple—Apple is in talks with Chinese banks and with Alibaba about launching its Apple Pay service in China, according to CEO Tim Cook. He made his comments in an interview with the Xinhua news agency.
Newlink Genetics—The drug maker's phase 3 study involving a pancreatic cancer treatment will continue following a second interim analysis. The stock is under pressure, with some investors having hoped to hear about a successful conclusion to the study.
Gap—The apparel retailer saw April same-store sales fall more than expected. The parent of Gap, Old Navy, and Banana Republic also gave a current quarter earnings and revenue outlook that falls below analyst forecasts.
Morgan Stanley—Morgan Stanley is selling its oil storage and transport business to commodities trading company Castleton for an undisclosed price.
MetLife—The government said the insurer's suit fighting its so-called "SIFI" designation should be dismissed. MetLife earlier this year challenged the decision to designate it as systemically important and subject to tighter scrutiny. The Justice Department said MetLife is "significantly interconnected" with other financial companies.
Rackspace—The web hosting company gave a current quarter revenue forecast below Street forecasts, after saying a stronger dollar had negatively impacted sales in the first quarter.
Goldman Sachs—Goldman was ordered to pay $80 million plus interest to National Australia Bank in a case involving the sale of mortgage-linked securities.
General Electric—The European Union has restarted the clock on its review of GE's proposed purchase of the power business of France's Alstom. Officials have now received requested information and a decision deadline of August 21 has been set.
Lumber Liquidators—Lumber Liquidators is being denied coverage by its insurers for lawsuits involving the safety of its flooring products, according to CNBC's Scott Cohn.
Twitter—Twitter spent more than $86 million in its deals to acquire Periscope and Niche earlier this year, according to an SEC filing. Periscope is a live streaming app, while Niche is a talent agency specializing in social media.
Pall Corp.—Pall is near the end of an auction which could see it sold for more than $10 billion, according to the Wall Street Journal. The paper said potential buyers for the maker of filtration systems include Danaher and Thermo Fisher Scientific.
BHP Billiton—BHP has unveiled new cost-cutting measures, as the mining company seeks to stabilize its financial situation in the wake of weak commodity prices.
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