Tesla stock rallied late on Wednesday after the company’s unveiling of two new “Standard” lower price models on Tuesday. Wall Street, curiously, doesn’t have much to say about the new vehicles, yet.

Nvidia stock was edging up early in Wednesday trading after a pullback from its record high. Wall Street is backing the chip maker’s rally to resume.

Wall Street experienced mixed trading on Monday as markets prepared themselves for key earnings reports from chip giant Nvidia and major US retailers. Following the longest government shutdown in US ...