Investments 13 Financial markets 8 Commerce 7 human 5 Financial data processing 4 Humans 4 Risk management 4 investment 4 Decision making 3 Economics 3 Forecasting 3 Managers 3 Optimal portfolios 3 Portfolio managers 3 Risk 3 COVID-19 2 Climate change 2 Costs 2 Crude oil 2 Czech Republic 2 Deep learning 2 Disruptive innovation 2 Diversification 2 European Union 2 Expected return 2 Germany 2 Innovation 2 Institutional investors 2 Integration 2 Learning systems 2