CNBC Daily Open: 'Good reports' from U.S.-China talks could push S&P 500 to new high, analysts say

Trade negotiators from the U.S. and China have met in London, and talks are expected to continue Tuesday, a source familiar with the situation told CNBC's Megan Casella. It seems that coaxing China to relax its rare earths export curbs is at the top of America's agenda, according to a CNBC…