 Howmet Aerospace Inc. stock HWM, 3.08 fell 3.5 in premarket trade Monday, after the maker of engine components, fastening systems, engineered structures and forged aluminum wheels third-quarter revenue fell short of estimates and it offered slightly soft guidance. The company, which was spun out of Arconic in 2020, posted net income of 80 million, or 19 cents a share, for the quarter, up from 27 million, or 6 cents a share, in the year-earlier period. 