58 Biggest Movers From Friday Gainers Xtant Medical Holdings, Inc. (NYSE: XTNT ) shares climbed 91.4% to close at $1.57 on Friday after the company announced the closing of debt restructuring. American Renal Associates Holdings, Inc. (NYSE: ARA ) shares climbed 66.5% to close at $11.52 after the company reported an $11.50 per share cash offer from Nautic Partners. Nano-X Imaging Ltd. (NASDAQ: NNOX ) shares gained 56.2% to close at $37.44 after the company announced it will demonstrate its novel technology and medical imaging system at RSNA 2020, which is being held from November 29th to December 5th in Chicago. Westwater Resources, Inc. (NASDAQ: WWR ) surged 49.3% to close at $4.42. IDT Corporation (NYSE: IDT ) gained 39.1% to close at $9.57 after reporting higher earnings and sales for the fourth quarter. C4 Therapeutics, Inc. (NASDAQ: CCCC ) rose 34.2% to close at $25.49 after pricing its IPO at $19 per share. ProPhase Labs, Inc. (NASDAQ: PRPH ) surged 32.1% to close at $5.15. ProPhase Labs climbed 13% on Thursday after the company announced plans to explore the acquisition of one or more CLIA accredited labs suitable for COVID-19 and other testing.