Jeff Gundlach's 'critical level' for the 10-year is being tested

The US 10-year yield is testing a "critical level" singled out by bond guru Jeff Gundlach on Friday. Selling amid a quiet holiday session has the benchmark yield up 3 basis points at 2.33%. 
"US 10-year yield above 200-day moving average, broke downtrendline from March. Critical level now 2.32%, probably coincides with 0.50% Bund," Gundlach tweeted on Friday. 
On June 14, the Federal Reserve lifted its benchmark interest rate for the fourth time since the finan