Molina Healthcare, Inc. ( MOH - Free Report ) has been in investors' good books, riding on solid first-quarter results and restructuring initiatives. Over the past 30 days, the company has witnessed its current-year earnings estimate move 1.8% north from the year-ago quarter. It retained investors' bullish sentiments by maintaining its beat streak in all the last four quarters, the average being 17.7%. This, in turn, underlines its operational excellence. Now let us discuss what makes this leading health insurer an investor favorite.