Which of the following statements about investments are true?(more than one option)
i. Unsystematic risks
are usually nor evident in portfolios of more than 25 stocks;
ii. Sensitivity of a stock to systemic risks is measured by a beta-coefficient;
iii. Active investment can be described by strategic allocation of funds following analysis of the past price trends;
iv. Risk cannot be considered as a major consideration in well-diversified portfolios.