Investors are turning to cheaper, smaller companies while reassessing how much risk they are willing to take owning volatile assets after market whipsaws pounded some sectors and assets. Wariness and risk aversion have swept through some corners of the market that have shone the brightest in recent years, accompanied ​by gains in other areas, as investors rotate their holdings. For example, the Dow Jones Industrial Average, a benchmark designed to track industrial companies, hit a record ‌high on Friday even as software stocks lost $1 trillion over the week.