Layoffs, furloughs, and spending cuts: We're tracking how oil giants from Exxon to Halliburton are responding to the historic price shock

· The novel coronavirus continues to cripple the global demand for oil, driving down the price to 17-year lows.
· Oil companies are among those that will be hurt the most. The breakeven oil price for an average company's cash flow is $25, about where the US benchmark has hovered this week. 
· Many oil and gas giants have...