WSJs Heard on the Street Unveils Eighth Annual StockPicking Contest Selections Oil Prices Plunge Over 5 as Iran Nuclear Deal Hopes Intensify Fintech Firm Mercury Reaches 52 Billion Valuation Marking 49 Increase in 14 Months Oura HealthTracking Smart Ring Pioneer Files Confidentially for IPO SpaceXs Potential SP Sector Classification A Multifaceted Challenge Este Lauder Shares Surge in Premarket After Puig Merger Talks Termination Indirect Anthropic Exposure A Potential Public Market Play