The Dow Jones Industrial Average , considered one of the major barometers of U.S. stock market performance, rose above 50,000 points on Thursday. The index rose by 0.6% in early trading following positive earnings results from index constituent Cisco and the start of a key diplomatic meeting between the U.S. and China. But if you're an everyday investor, the Dow hitting 50,000 points likely doesn't mean much, says Todd Rosenbluth, head of research at investment research firm TMX VettaFi. For