Murphy USA Inc. MUSA is a retailer of motor fuel and convenience merchandise that could be an interesting play for investors. That is because, not only does the stock have decent short-term momentum, but it is seeing solid activity on the earnings estimate revision front as well.These positive earnings estimate revisions suggest that analysts are becoming more optimistic on MUSA’s earnings for the coming quarter and year. In fact, consensus estimates have moved sharply higher for both of these time frames over the past four weeks, suggesting that Murphy USA could be a solid choice for investors.Current Quarter Estimates for MUSAIn the past 30 days, one estimate has gone higher for Murphy USA while none has gone lower in the same time period. The trend has been pretty favorable too, with estimates increasing from $2.53 a share 30 days ago, to $3.18 today, a move of 25.7%.Current Year Estimates for MUSAMeanwhile, Murphy USA’s current year figures are also looking quite promising, with two estimates moving higher in the past month, compared to none lower. The consensus estimate trend has also seen a boost for this time frame, increasing from $7.75 per share 30 days ago to $8.80 per share today, an increase of 13.5%.Murphy USA Inc. Price and Consensus Murphy USA Inc. price-consensus-chart | Murphy USA Inc. QuoteBottom LineThe stock has also started to move higher lately, adding 8.7% over the past four weeks, suggesting that investors are starting to take note of this impressive story. So, investors may want to consider this Zacks Rank #1 (Strong Buy) stock to profit in the near future. You can see the complete list of today’s Zacks #1 Rank stocks here.Looking for Stocks with Skyrocketing Upside?Zacks has just released a Special Report on the booming investment opportunities of legal marijuana.Ignited by new referendums and legislation, this industry is expected to blast from an already robust $6.7 billion to $20.2 billion in 2021. Early investors stand to make a killing, but you have to be ready to act and know just where to look.See the pot trades we're targeting>> 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 Murphy USA Inc. (MUSA): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research