Ключевые слова: abstract, algorithm, analysis, background, building, business, center, chart, city, concept, concrete, conference, connections, cost, crash, currency, desktop, double, economic, engine, exchange, exposure, exterior, finance, financial, forex, future, global, growth, increase, index, internet, invest, market, math, multi, office, outside, rate, research, school, sell, seminar, stock, street, trade, trend, volume, wall, wining,