 Shares of Chemours Co. CC, -5.24 sank 5.5 toward a six-month low in premarket trading Wednesday, after the specialty materials company lowered its full-year outlook due to a continued demand decline in its Titanium Technologies business. The company said it now expects 2022 adjusted earnings before interest, taxes, depreciation and amortization Ebtida to be between 1.40 billion and 1.45 billion, down from previous guidance of at the high end of range of 1.475 billion to 1.575 billion. 