BILL GROSS: I'm watching this level more closely than Dow 20,000 (TLT, TBT)

The Dow Jones industrial average has flirted with 20,000 for much of the past month.
It got within four-tenths of a point on January 6 but was unable to get to the level.
And while nearly everyone on Wall Street is on the lookout for the first Dow 20,000 print, Bill Gross says there's a much more important level to worry about.
Gross, who was once referred to as the "Bond King," says the 2.60% level on the 10-year Treasury yield is what everyone should be watching, as a breakout above that level