Do we need to worry about CoCo bonds? By: CNBC.com News February 10, 2016 at 09:30 AM EST Despite the volatility and liquidity concerns, some investors looking at CoCo bonds are seeing buying opportunities. Read More >> Related Stocks: Dow Industrials SPDR PowerShares QQQ S&P 500 Ishares Core ETF SPDR S&P 500 ETF Trust Sentinelone Inc Cl A