Since there weren't any huge financial stories today (and let's be honest - that's probably a good thing considering recent trends), here's what might at least be classified as an interesting matter instead: Discover Financial Services intends to raise $500 million by selling new shares. Specifics were a little hard to come by.  Alistair Barr writes, "Discover said the $500 million from the common-stock sale will be used for 'general corporate purposes.'  That could include pumping capital into Discover Bank, a ...