Shares of PayPal (NASDAQ: PYPL) rallied on Monday, up as much as 9.7% at one point, before retreating to a 6.2% gain as of 2:00 p.m. EDT. Much of the financial sector was plunging today, so PayPal's gains stood out. Indeed, there was an idiosyncratic news story about the fallen payments giant today, as Bloomberg reported on potential takeover interest in the company. Given PayPal's recent plunge in value and the resignation of its former CEO, it's no surprise to see a bounce on buyout rumors. Where to in ...