PPL (PPL) closed at $30 in the latest trading session, marking a +0.13% move from the prior day. This change outpaced the S&P 500's 1.42% loss on the day. Elsewhere, the Dow lost 0.49%, while the tech-heavy Nasdaq lost 0.47%.Heading into today, shares of the energy and utility holding company had gained 2.36% over the past month, outpacing the Utilities sector's gain of 1.1% and the S&P 500's gain of 0.39% in that time.Investors will be hoping for strength from PPL as it approaches its next earnings release. On that day, PPL is projected to report earnings of $0.31 per share, which would represent a year-over-year decline of 47.46%.It is also important to note the recent changes to analyst estimates for PPL. Recent revisions tend to reflect the latest near-term business trends. As such, positive estimate revisions reflect analyst optimism about the company's business and profitability.Based on our research, we believe these estimate revisions are directly related to near-team stock moves. We developed the Zacks Rank to capitalize on this phenomenon. Our system takes these estimate changes into account and delivers a clear, actionable rating model.Ranging from #1 (Strong Buy) to #5 (Strong Sell), the Zacks Rank system has a proven, outside-audited track record of outperformance, with #1 stocks returning an average of +25% annually since 1988. Over the past month, the Zacks Consensus EPS estimate remained stagnant. PPL currently has a Zacks Rank of #3 (Hold).Digging into valuation, PPL currently has a Forward P/E ratio of 19.62. For comparison, its industry has an average Forward P/E of 18.27, which means PPL is trading at a premium to the group.The Utility - Electric Power industry is part of the Utilities sector. This industry currently has a Zacks Industry Rank of 172, which puts it in the bottom 33% of all 250+ industries.The Zacks Industry Rank gauges the strength of our industry groups by measuring the average Zacks Rank of the individual stocks within the groups. Our research shows that the top 50% rated industries outperform the bottom half by a factor of 2 to 1.You can find more information on all of these metrics, and much more, on Zacks.com. Bitcoin, Like the Internet Itself, Could Change Everything Blockchain and cryptocurrency has sparked one of the most exciting discussion topics of a generation. Some call it the “Internet of Money” and predict it could change the way money works forever. If true, it could do to banks what Netflix did to Blockbuster and Amazon did to Sears. Experts agree we’re still in the early stages of this technology, and as it grows, it will create several investing opportunities. Zacks’ has just revealed 3 companies that can help investors capitalize on the explosive profit potential of Bitcoin and the other cryptocurrencies with significantly less volatility than buying them directly. See 3 crypto-related stocks now >>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 PPL Corporation (PPL): Free Stock Analysis Report To read this article on Zacks.com click here.