By Ellen Chang Retail giant’s shares were going nowhere this year, until it announced it was doing this. Dips in stock prices often appear to be good entry points for investors who are considering buying a stock. But when the stock’s price is well into four figures, it can be hard for smaller investors to pull the trigger. A few weeks ago, Real Money Columnist Stephen “Sarge” Guilfoyle took a look at Amazon following a sharp drop to $2,749.06, its lowest close since June 2020. Guilfoyle considered the company’s fundamentals, which he said were pretty good, and its technical chart picture, not …