While Tetra Tech ( TTEK ) is facing near-term headwinds as low-margin USAID and Department of State work is winding down, the company's core markets (excluding these) are showing good improvement. The core revenue is strong, driven by steadyI have over 15 years of experience investing and have provided research services to mid-sized hedge funds with assets under management between $100 and$500 million. I also have had a brief stint as a sell-side analyst. I am now focusing primarily on managing my own mone ...