On Tuesday, the S&P 500 (SPY) hit a fresh all-time high. With many factors to contribute to the market’s latest bull run, the technology sector takes the cake for a large portion of the rally. But, there are other sectors that are also responsible for driving the market higher. Currently, the healthcare sector is (SPY)’s third largest weighted sector. In fact, its healthcare component has gained over 300% over the last few years.

The SPDR S&P Pharmaceuticals EFT (XPH) touched new highs on Monday, while the iShares NASDAQ Biotechnology (IBB) rose 1.2% on Tuesday and the SPDR S&P Biotech ETF (XBI) is up nearly 3% this week. As we continue to see green across the sector, here are a few clinical stage biotech companies that may present opportunity to investors.

Click Here For 3 Biotech Stocks You Should Be Watching