In the latest trading session, Actinium Pharmaceuticals (ATNM) closed at $12.01, marking a +0.5% move from the previous day. This change lagged the S&P 500's 1.36% gain on the day. Elsewhere, the Dow gained 1.37%, while the tech-heavy Nasdaq added 1.02%.Heading into today, shares of the cancer drug developer had gained 3.02% over the past month, outpacing the Medical sector's gain of 0.02% and the S&P 500's gain of 0.23% in that time.Wall Street will be looking for positivity from ATNM as it approaches its next earnings report date. The company is expected to report EPS of -$0.46, up 61.67% from the prior-year quarter.Investors should also note any recent changes to analyst estimates for ATNM. These revisions typically reflect the latest short-term business trends, which can change frequently. With this in mind, we can consider positive estimate revisions a sign of optimism about the company's business outlook.Research indicates that these estimate revisions are directly correlated with near-term share price momentum. 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.The Zacks Rank system, which ranges from #1 (Strong Buy) to #5 (Strong Sell), has an impressive outside-audited track record of outperformance, with #1 stocks generating an average annual return of +25% since 1988. Over the past month, the Zacks Consensus EPS estimate has moved 8.45% higher. ATNM currently has a Zacks Rank of #3 (Hold).The Medical - Drugs industry is part of the Medical sector. This industry currently has a Zacks Industry Rank of 184, which puts it in the bottom 28% of all 250+ industries.The Zacks Industry Rank gauges the strength of our individual 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.To follow ATNM in the coming trading sessions, be sure to utilize Zacks.com.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 Actinium Pharmaceuticals, Inc. (ATNM): Free Stock Analysis Report To read this article on Zacks.com click here.