Dow soars to record high on trade optimism, joining other major US indexes

The Dow Jones industrial average joined major US stock indexes at record highs Monday, climbing on positive trade-deal hopes.
The US and China are "making good progress" on a partial trade deal, US commerce secretary Wilbur Ross told Bloomberg Sunday.
The S&P 500 and Nasdaq Composite posted record highs on Friday after a better-than-expected jobs report drove stocks higher. The healthy payroll gains cooled worries of US economic slowdown.
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