In trading on Tuesday, shares of Bill Barrett Corp (BBG) crossed below their 200 day moving average of $6.61, changing hands as low as $6.52 per share. Bill Barrett Corp shares are currently trading down about 4.1% on the day. The chart below shows the one year performance of BBG shares, versus its 200 day moving average:

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Bill Barrett Corp 200 Day Moving Average Chart

Looking at the chart above, BBG's low point in its 52 week range is $2.37 per share, with $9.38 as the 52 week high point — that compares with a last trade of $6.53.

According to the ETF Finder at ETF Channel, BBG makes up 1.56% of the PowerShares DWA Energy Momentum Portfolio ETF ( PXI) which is trading lower by about 0.1% on the day Tuesday.