West Fraser Timber Co. Ltd. (WFG) could be a solid choice for investors given the company's remarkably improving earnings outlook. While the stock has been a strong performer lately, this trend might continue since analysts are still raising their earnings estimates for the company.The upward trend in estimate revisions for this company reflects growing optimism of analysts on its earnings prospects, which should get reflected in its stock price. After all, empirical research shows a strong correlation between trends in earnings estimate revisions and near-term stock price movements. Our stock rating tool -- the Zacks Rank -- has this insight at its core.The five-grade Zacks Rank system, which ranges from a Zacks Rank #1 (Strong Buy) to a Zacks Rank #5 (Strong Sell), has an impressive externally-audited track record of outperformance, with Zacks #1 Ranked stocks generating an average annual return of +25% since 2008.For West Fraser Timber Co. Ltd. Strong agreement among the covering analysts in revising earnings estimates upward has resulted in meaningful improvement in consensus estimates for the next quarter and full year.The chart below shows the evolution of forward 12-month Zacks Consensus EPS estimate:12 Month EPSCurrent-Quarter Estimate RevisionsThe earnings estimate of $7.84 per share for the current quarter represents a change of +12.64% from the number reported a year ago.The Zacks Consensus Estimate for West Fraser Timber Co. Ltd. has increased 41.26% over the last 30 days, as one estimate has gone higher compared to no negative revisions.Current-Year Estimate RevisionsFor the full year, the earnings estimate of $17.94 per share represents a change of -33.63% from the year-ago number.The revisions trend for the current year also appears quite promising for West Fraser Timber Co. Ltd. with one estimate moving higher over the past month compared to no negative revisions. The consensus estimate has also received a boost over this time frame, increasing 14.78%.Favorable Zacks RankThe promising estimate revisions have helped West Fraser Timber Co. Ltd. earn a Zacks Rank #2 (Buy). The Zacks Rank is a tried-and-tested rating tool that helps investors effectively harness the power of earnings estimate revisions and make the right investment decision. You can see the complete list of today's Zacks #1 Rank (Strong Buy) stocks here.Our research shows that stocks with Zacks Rank #1 (Strong Buy) and 2 (Buy) significantly outperform the S&P 500.Bottom LineWest Fraser Timber Co. Ltd. shares have added 8.9% over the past four weeks, suggesting that investors are betting on its impressive estimate revisions. So, you may consider adding it to your portfolio right away to benefit from its earnings growth prospects. 5 Stocks Set to Double Each was handpicked by a Zacks expert as the #1 favorite stock to gain +100% or more in 2021. Previous recommendations have soared +143.0%, +175.9%, +498.3% and +673.0%. Most of the stocks in this report are flying under Wall Street radar, which provides a great opportunity to get in on the ground floor.Today, See These 5 Potential Home Runs >>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 West Fraser Timber Co. Ltd. (WFG): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research