Why Brightstar, Eagers Automotive, Regis Resources, and Westpac shares are sinking

The S&P/ASX 200 Index (ASX: XJO) is out of form and on course to start the week with a disappointing decline. In afternoon trade, the benchmark index is down 1.15% to 8,657.4 points.

Four ASX shares that are falling more than most today are listed below. Here’s why…