CNBC's Bob Pisani spoke with Jon Maier, Global X CIO and Todd Rosenbluth, Director of Research at ETF Trends. They discussed attractive bond alternatives. With the age-old 60/40 stock and bond portfolio unraveling, investors are clamoring for alternative sources of yield as bond funds continue to bleed. Where else can they turn? Plus, they discuss Twitter as Tesla CEO Elon Musk edges closer to a deal to take over the social media giant ahead of its earnings. In the "Markets 102" portion of the podcast, Bob continues the conversation with Todd Rosenbluth from ETF Trends.