Puts maintained preferential edge on the Chicago Board Options Exchange (CBOE) on Tuesday, with nearly 1.9 million of these typically bearish bets changing hands, versus volume of roughly 1.9 million calls.
Yet while it was the free Skype-to-Skype calls that attracted the enormous numbers, it was Skype's paid options which allowed it to edge ahead of pre-existing rivals such as MSN and Yahoo.
In addition to touch functionality, the slim ThinkPad Edge E431 and E531 laptops feature improved graphics options for more vivid content on their displays up to full HD and a five-button ClickPad that allows users to control Windows 8 features from the keyboard.