The leading stock indexes may be down a fraction today, but there are companies seeing gains — in fact, 21 stocks on the Standard & Poor’s 500 index have hit all-time highs so far today, among them household names such as Urban Outfitters (URBN), MasterCard (MA), Comcast (CMCSA), Visa (V), and Wyndham Worldwide (WYN). Here’s the [...]