BP (BP) reached a significant support level, and could be a good pick for investors from a technical perspective. Recently, BP broke through the 200-day moving average, which suggests a long-term bullish trend.The 200-day simple moving average helps traders and analysts determine overall long-term market trends for stocks, commodities, indexes, and other financial instruments. The indicator moves higher or lower along with longer-term price moves, serving as a support or resistance level.Over the past four weeks, BP has gained 5.8%. The company is currently ranked a Zacks Rank #1 (Strong Buy), another strong indication the stock could move even higher.Looking at BP's earnings estimate revisions, investors will be even more convinced of the bullish uptrend. There have been 6 higher compared to none lower for the current fiscal year, and the consensus estimate has moved up as well.Investors should think about putting BP on their watchlist given the ultra-important technical indicator and positive move in earnings estimate revisions. Zacks Names "Single Best Pick to Double" From thousands of stocks, 5 Zacks experts each have chosen their favorite to skyrocket +100% or more in months to come. From those 5, Director of Research Sheraz Mian hand-picks one to have the most explosive upside of all. You know this company from its past glory days, but few would expect that it's poised for a monster turnaround. Fresh from a successful repositioning and flush with A-list celeb endorsements, it could rival or surpass other recent Zacks' Stocks Set to Double like Boston Beer Company which shot up +143.0% in a little more than 9 months and Nvidia which boomed +175.9% in one year.Free: See Our Top Stock and 4 Runners Up >>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 BP p.l.c. (BP): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research