Black Stone Minerals (BSM) shares rallied 8.1% in the last trading session to close at $9.90. This move can be attributable to notable volume with a higher number of shares being traded than in a typical session. This compares to the stock's 0.3% gain over the past four weeks.Black Stone Minerals extended its rally for the second straight day, driven by optimism over strong commodity prices. The units have also been buoyed by an earlier-than-expected pickup in oil demand on the back of successful deployment of COVID-19 vaccines. The recovery in crude prices to more than $60 a barrel has pushed drilling activity higher and contributed to the strength in Black Stone Minerals, an owner and manager of oil and natural gas mineral interests in the U.S.Price and ConsensusThis partnership that owns mineral and royalty interests is expected to post quarterly earnings of $0.13 per share in its upcoming report, which represents a year-over-year change of -43.5%. Revenues are expected to be $78.94 million, down 56.9% from the year-ago quarter.While earnings and revenue growth expectations are important in evaluating the potential strength in a stock, empirical research shows a strong correlation between trends in earnings estimate revisions and near-term stock price movements.For Black Stone Minerals, the consensus EPS estimate for the quarter has been revised 3.7% higher over the last 30 days to the current level. And a positive trend in earnings estimate revision usually translates into price appreciation. So, make sure to keep an eye on BSM going forward to see if this recent jump can turn into more strength down the road.The stock currently carries a Zacks Rank 3 (Hold). You can see the complete list of today's Zacks Rank #1 (Strong Buy) stocks here >>>>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Black Stone Minerals, L.P. (BSM): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research