Pharma giant Pfizer revealed Monday it made a $99 billion bid for AstraZeneca in January and had contacted its rival again on April 26 about a takeover. It would be the biggest-ever foreign acquisition of a British firm. Meanwhile, Yahoo isn't shopping for a partner to create new content, it's making its own. The web giant announced this week its plan to produce two original comedy series to debut next year. Finally, If you're planning to fly this summer, plan on having less leg room. MasterCard this week showed sales of US airline tickets rose by 4.6% through the first 3 months of 2014.