By Davide Barbuscia and Gertrude Chavez-Dreyfuss
U.S. Treasuries rose on Tuesday, pushing yields lower, with a boost from safe-haven bids amid concerns that overstretched valuations in stocks and corporate bonds could eventually lead to a market correction.
A tech-fueled stock rally lost momentum, as top Wall Street executives including the chief executives of Morgan Stanley MS and Goldman Sachs 
GS cautioned that equity markets could be heading toward a drawdown.
The economic calendar was empty due to the U.S. government shutdown, which on Tuesday entered its 35th day, matching a record set during President Donald Trump’s first term for the longest in history.
This left the bond market directionless, except for safe-haven demand spurred by fears of a market bubble in stocks.
“There’s definitely a risk-off tone with a lot of AI stocks down, and so a little bit of flight to quality with regard to Treasuries,” said Greg Faranello, head…
