How are a single-cell thunderstorm and a multiple-cell thunderstorm different? Answers should include the following ideas: *single-cell thunderstorm - one updraft system (cell); goes through cumulus, mature, and dissipating stages; often lasts less than an hour *multiple-cell thunderstorm - multiple updraft systems (cell); each cell goes through the cumulus, mature and dissipating stages, with new cells forming as old cells die; may last several hours What type of hygrometer measures humidity using the cooling effect of evaporating water?
Portfolio (finance) In finance, a portfolio is a collection of investments held by an investment company, hedge fund, financial institution or individual.
Quantitative equity strategies. For more than two decades, Wellington Management has provided insights and investment solutions derived from quantitative tools and techniques. Today, our Quantitative Investment Group (QIG) manages client assets in a variety of approaches, including emerging market, low volatility, small cap, and alternative strategies. Our research has shown that certain factors have historically been closely associated with stock outperformance.