Sanofi’s (SNY) stock has gained 22.7% in the past three months compared with an increase of 2.9% for the industry. The stock has also outperformed the sector and the S&P 500 index as seen in the chart below.SNY Stock Outperforms Industry, Sector & S&P 500Image Source: Zacks Investment ResearchThe stock has also been consistently trading above its 50-day and 200-day moving averages since the end of June.One of the main reasons for the stock price increase in the past three months was Sanofi’s increase in ear ...