(Corrects headline and paragraph 1 in Oct. 29 story to say Wolfspeed forecast second-quarter revenue below estimates, not that it reported a lower profit; adds LSEG estimate in paragraph 10) (Reuters) -Wolfspeed on Wednesday forecast second-quarter revenue below analyst estimate, highlighting the challenges facing the U.S. chipmaker as it recovers from bankruptcy and confronts subdued demand. Shares of company plunged more than 18% in extended trading. The company, a key supplier of silicon carbide semi ...