UPDATE 2-Couche-Tard shelves $5.6 bln Caltex Australia buyout as deal becomes latest virus victim By: Reuters: Company News April 20, 2020 at 00:01 AM EDT * Couche-Tard says willing to re-engage when conditions improve Read More >> Related Stocks: Alimentation Couche-Tard QWEST CORPORATION 7.00 NOTES DUE 2052