Of course, the discounting of future earnings should hurt all stocks. But it should hurt technology stocks more than others, because so many of them are valued at extremely high levels relative to their current earnings.
For investors who do want to speculate in high-yield bonds, one alternative may be a junk bond mutual fund, which can offer investors the relative safety of diversification.
Microeconomics is the study of how specific choices made by businesses, consumers and governments affect the markets for different goods and services. For example, a microeconomist might examine how price changes affect sales of apples relative to oranges.