ANGELA WEISS / Getty Contributor
- The US 10-year Treasury yield touched 4.9% on Wednesday, the highest mark since 2007.
- In a note to clients, Barclay's strategists cautioned that yields won't come down anytime soon.
- They said two things need to happen for the bond sell-off to reverse and yields to come down.
Bond markets have seen spasms of volatility in recent weeks, with long-dated Treasury yields touching their highest level in 16 years as investors adjust to the higher-for-longer interest rate outlook.