Why 5% is the Treasury-yield level that freaks investors out

NYSEThe 10-year Treasury yield passed the 5% mark for the first time since October 2023 on Monday. It's a key psychological threshold that investors see as a threat to stocks."If we were to break above 5%, it would cause stresses," one source said last week.A 5% 10-year Treasury yield is something that keeps investors up at night.Yields surged again on Monday, extending last year's rise as investors took in the latest jump in oil prices. The 10-year bond yield jumped about 3 basis points to top