These were the worst performing ASX 200 shares last week 17 April 2021

The S&P/ASX 200 Index (ASX: XJO) was on form again last week and stormed to a 13-month high. The benchmark index rose 1% or 68.3 points to end the period at 7,063.5 points.

Unfortunately, not all shares were able to climb higher with the market. Here’s why these were the worst performing ASX 200 shares last week:

The Whitehaven share price was the worst performer on the ASX 200 last week with a 17.7% decline. Investors were selling the coal miner’s shares after the release of a production and guidance update. That update reveals that the company’s production has been impacted by poor weather conditions and geological challenges. As a result, Whitehaven downgraded its FY 2021 managed ROM production at the Narrabri mine….