Wall Street chugged mostly higher in premarket trading as Chinese and U.S. officials begin a second day of trade talks.

Investors have endured one of the bumpiest rides on record through the first nearly seven months of the year.

The S&P 500 added another 0.1% in early trading after setting an all-time high every day last week. The Dow Jones Industrial Average fell 19 points, or less than 0.1%, as of 9:35 a.m. Eastern time, and the Nasdaq composite is 0.3% higher, coming off its own record.

NEW YORK (AP) — Wall Street is hanging near its records on Thursday, though the calm surface of the U.S. stock market is hiding some roiling moves underneath. Alphabet is rising, and Tesla is tumbling following a jumble of profit reports from big U.S. companies.

Many details of the trade deal are still to be worked out, and Wall Street is heading into a week full of potential flash points that could shake markets. The Standard & Poor’s 500 index was nearly flat and edged up by less than 0.

UnitedHealth Group reported second quarter earnings Tuesday, for the first time not serving as the bellwether for the industry.

The S&P 500 closed at an all-time high for the ninth time this month, while the tech-heavy Nasdaq hit its 13th record July close.

Most Wall Street analysts see upside in Meta Platforms stock ahead of the company's second-quarter earnings report.