Here’s why the ETFs Battery Tech & Lithium ETF (ASX:ACDC) is having such a rocking month

The S&P/ASX 200 Index (ASX: XJO) has been enduring a rather disappointing four weeks or so of performance. Over the past month, the ASX 200 is down by roughly 1.7%, including the nasty 1.2% fall we’ve seen so far today. One ASX exchange-traded fund…