Live China retaliates, Trump digs in, and markets melt down. See the latest on tariffs. OTC Markets OTCQB - Delayed Quote • USD Sharc International Systems Inc. (INTWF) Follow Compare 0.0770 0.0000 (0.00%) At close: April 3 at 4:00:00 PM EDT Sustainability data is currently not available for INTWF.