Profitable investing requires you use a brokerage service that aligns with your investing goals, educational needs, and learning style. Today's Stocks & Topics: TNTR - Tintri Inc., Limited Order, AER - AerCap Holdings N.V., Jobs Report, Retail Investors, PRLB - Proto Labs Inc., Warrant vs. Common Stocks, PPA - PowerShares Aerospace & Defense Portfolio, DFEN - Direxion Daily Aerospace & Defense Bull 3X Shares, OHI - Omega Healthcare Investors Inc., KKR - KKR & Co. L.P., 401k, BKE - Buckle Inc.