Kohl's Corp KSS.N became the latest retailer to flag a hit from four-decades high inflation as the department store chain cut its full-year profit forecast. By Devik Jain and Noel Randewich May 19 (Reuters) - Wall Street was mixed on Thursday, with Cisco Systems slumping following a dismal outlook, while Nvidia and other megacap growth stocks rebounded after recent losses. Shares of Cisco CSCO.O dropped 14.4% after the networking gear maker lowered its 2022 revenue growth outlook, taking a hit from its Russia exit and component shortages related to COVID-19 lockdowns in China.