Here’s question and answer number three in the frequently asked investing questions series. Read the posts from the previous two days to see what you’ve missed and check back all week for more Q&A. Question: You talk about a stock trading “thinly.” What does this mean? And why is it a bad thing? Answer: Thinness refers to how many shares, or how much dollar volume, a stock trades each day. For our purposes, we consider any stock that trades less than 500,000 shares per day to be relatively thin. Being thin isn’t bad, per se, but it usually means...