Tough Market... By: TalkMarkets June 09, 2015 at 18:05 PM EDT Investors have had to learn patience this year. After two very good years of returns in 2013 and 2014, 2015 so far has been lackluster to say the least. Read More >> Related Stocks: 10-YR YIELD INDEX Standard & Poors 500 US Aggregate Bond Ishares Core ETF