There is a negative risk however small or large depending on the amount of stock bought, that one can lose money in a trading environment. (avatrade.com)
This page explains how to determine your initial basis and your holding period for stock you bought in a normal purchase. (fairmark.com)
I have a «matching program» where I regularly transfer fresh capital for stock buys twice per month, with the total cash amount matching the previous month's dividend income. (dividendquest.com)