Dutch Auction

A method of allocating shares in an IPO where you specify how much you’re willing to pay for how many shares.

Downtick

A trade is on a downtick when the last trade occurred at a price lower than the previous one.

Dollar Cost Averaging

Investing a fixed amount of dollars in a specific security at regular set intervals over a period of time. Dollar cost averaging results in a lower average cost per share, compared with purchasing a constant number of shares at set intervals. The investor buys more shares when the price is low and buys fewer shares when the price is high.

Double Bottom/ Double Top

These are reversal patterns. It is a decline or advance twice to the same level (plus or minus 3%). It indicates support or resistance at that level. These are signature patterns that are playable with little or no confirmation.