3. As of noon trading, GlaxoSmithKline ( GSK) is up $0.51 (1.0%) to $53.08 on average volume. Thus far, 1.8 million shares of GlaxoSmithKline exchanged hands as compared to its average daily volume of 2.4 million shares. The stock has ranged in price between $52.90-$53.14 after having opened the day at $52.97 as compared to the previous trading day's close of $52.57. GlaxoSmithKline plc, together with its subsidiaries, discovers, develops, manufactures, and markets pharmaceutical products, over-the-counter medicines, and health-related consumer products worldwide. GlaxoSmithKline has a market cap of $125.9 billion and is part of the health care sector. The company has a P/E ratio of 15.6, below the S&P 500 P/E ratio of 17.7. Shares are down 1.5% year-to-date as of the close of trading on Tuesday. Currently there are 2 analysts who rate GlaxoSmithKline a buy, no analysts rate it a sell, and 5 rate it a hold. TheStreet Ratings rates GlaxoSmithKline as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, good cash flow from operations, increase in stock price during the past year, expanding profit margins and notable return on equity. We feel these strengths outweigh the fact that the company has had sub par growth in net income. Get the full GlaxoSmithKline Ratings Report now. 3x UPSIDE POTENTIAL: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more.