Trading in Costco Wholesale Corporation (NASDAQ: C) is quiet Monday.  This comes after the shares lost almost 3% in Friday's trading. A disappointing earnings report drove the move.Some traders are watching to see if there will be a reversal and move higher soon. This is why it is today's Stock of the Day.If Costo drops to levels around $885, there is a good chance it finds support. As you can see on the chart below, there was support in March and again in April.Costco technicals.Stocks tend to find support ...