scale down (or up)
- The practice of buying or selling at consistent price intervals, reducing as the market falls in the case of 'scale down,' or increasing as the market rises for 'scale up'
- During a market crash, investors may choose to scale down their purchases.
- Financial advisors recommended to scale up her investments as the market was doing well.
- Due to the steady growth of the market, many investors decided to scale up their buying intervals.