ON Semiconductor (ON) fell 5.6% after Allegro MicroSystems called “inadequate” ON’s unsolicited acquisition offer of $35.10 a share in cash. Meanwhile, Allegro (ALGM) gained 5.7% ...

Pure quartz crystals have been spotted on Mars for the first time, as well as other gems like opal. Researchers say these crystals, as well as being evidence of past hydrothermal activity ...

Built under Tiffin Motorhomes, the Allegro brand began humbly in 1972 as a business that built two a day. Originally building Class C motorhomes, Allegro currently builds a wide range of Class A ...