Check out the companies making headlines before the bell. SanDisk — the maker of flash memory products, including memory cards, rose more than 4%. The stock, which was spun off from Western Digital last February, was added to the S&P 500 on Friday. Tilray Brands — The cannabis processor and owner of Montauk Brewing fell 14% at market open on Dec. 2 after declaring a 10-to-1 reverse stock split. The stock closed at $1.03 on Wednesday. CME Group — CME Group, the parent company of the Chicago Mercantile Exchange, the Chicago Mercantile Exchange Commission, the New York Mercantile Exchange and the Commodity Exchange, fell 0.7% after announcing the market was suspended due to a “cooling issue at the CyrusOne data center” that halted trading in U.S. stock index futures. Nasdaq Corp. fell 0.5% and Intercontinental Exchange, owner of the New York Stock Exchange, rose 0.7%. Jeffries — The investment firm fell 1%, the Financial Times reported, citing people familiar with the matter, as the U.S. Securities and Exchange Commission reported that Jefferies was investigating whether Jefferies provided sufficient information to investors about its Points Bonita fund’s exposure to bankrupt auto parts maker First Brands Group. Jefferies’ exposure to First Brands, which went bankrupt under a series of complex debt arrangements, erased concerns about other bad loans. Retailers — The nation’s largest retail chains almost always raised prices on Black Friday, the unofficial start of the holiday shopping season that often includes big sales and discounts. Macy’s rose 1.5%, Best Buy rose 0.4% and Walmart rose 0.2%, while Costco, Target and Dillard’s rose slightly.
