Costco Wholesale Corp. NASDAQ: COST has become a remarkable performer in the consumer defensive sector, breaking out to fresh 52-week highs on Friday. The stock is now up almost 43% YTD and nearly 200% over the past five years. As it outpaces the broader market and remains a popular pick among institutional investors, many wonder if now is the right time to go long on Costco. Get Costco Wholesale alerts:Shares of Costco Reach New Heights Costco Wholesale Stock Forecast Today12-Month Stock Price Forecast:$90 ...