Stack sticks with Microsoft (MSFT)

Jim Stack, well-known for his safety-first strategy, recently added Microsoft (NASDAQ: MSFT) to his model portfolio, noting, "We had wanted to increase our allocation to technology which has  typically been a leading sector in new bull markets." 

In his InvesTech Market Analyst, he explains, "This stock exhibits all the qualities we look for in a new purchase and is currently selling at a very attractive valuation."

"From its founding in 1975, Microsoft has become the world’s largest software company with offices in over 100 countries. Its Windows operating system –which runs on 90% of all PCs currently in use – and for the Windows Office applications utilized by over 400 million users.

"This firm is extremely profitable with company-wide operating margins in excess of 40%. The Windows operating system and Office productivity suite have operating margins averaging clo