HYGs Boson Particle By: TalkMarkets November 15, 2021 at 18:29 PM EST The HYG and SPY usually tag along together, bosom buddies, although usually corporate bonds tend to weaken in advance of equities. However, they seem to be having a disagreement. Read More >> Related Stocks: High Yield Corp Bond Ishares Iboxx $ ETF SPDR S&P 500 ETF Trust