Metals & Mining ETF: XME to Benefit From Fed

The following commentary comes from an independent investor or market observer as part of TheStreet's guest contributor program, which is separate from the company's news coverage. NEW YORK (ETF Expert) -- What if the employment report for February is much weaker-than-anticipated? What if Israel drops much bigger hints about a pre-emptive strike on Iran? What if gasoline prices surge another 20