Here are the companies making headlines in midday trading. Nvidia — Shares of the chip giant popped about 1% as investors plowed money back into tech stocks. Nvidia is on pace for an 11th consecutive winning session, its longest stretch of daily gains on record. Caterpillar — Shares of the manufacturer of construction equipment dropped about 5%. Late Tuesday, Bloomberg reported , citing people familiar with the matter, that Caterpillar had acquired Monarch Tractor, a self-driving electric tractor company. Nike — The sneakers manufacturer’s stock advanced more than 3% after the disclosure of key insider buying. CEO Elliott Hill disclosed the purchase of more than 23,000 shares, valued at about $1 million, while director Tim Cook snapped up 25,000 shares for $1.1 million. American Eagle Outfitters — The teen apparel retailer’s shares jumped more than 6% as the company kicked off its summer campaign with actress Sydney Sweeney, dubbed “Syd for Short: American Eagle Jean…