Check out the companies making the biggest moves in midday trading: SpaceX — Shares were up 9% in the company’s second day of trading on Monday. SpaceX in its debut at the Nasdaq on Friday rose 19% from its IPO price of $135 per share. The company raised a total of $85.7 billion including the underwriters’ “greenshoe” overallotment. Ferrari — The luxury carmaker’s stock jumped 5% after Morgan Stanley upgraded it to overweight from equal weight with a price target of $438. Analysts said Ferrari’s decline over the past year was due to value compression, not earnings or brand deterioration. Further, dealer visits in the U.S. and Europe show demand remains strong for its special series and collectible models. Tripadvisor — The travel company’s stock rose nearly 7% after it announced the sale of its European online restaurant reservation platform to American Express . Activist investor Starboard had been pushing Tripadvisor to sell The Fork and to explore strategic options for the entire company. American Express, which also owns Resy, saw its stock rise 4%. Generac Holdings — Shares of the power generator company rose 2% after announced …
