Nikola, Valero Energy rise; Stellantis, Clorox fall, Monday, 9/18/2023

NEW YORK — Stocks that are trading heavily or have substantial price changes on Monday: Stellantis N.V. (STLA), down 23 cents to $19.02. The United Auto Workers reportedly rejected the automaker’s latest wage proposal. Nikola Corp. (NKLA), up 34 cents…








